Hero- cutoff- $130
V1- button - $200

1 limper who folds to any reraise calls from EP.
Hero: QQ. Raise to $15
V1 calls
SB folds
BB folds
Limper folds

Pot: $35
Flop: 7105

Hero raise $30
V1 instacalls

Turn: A

Hero?

Only read on V is that he seems to play a lot of hands but only get it in big post-flop with a good hand.

You should give villains info at the top of the hand for future reference. Given the info present, it's likely he has a draw to a big heart. He may possess the ace but his range is so wide on the button you can't say for sure he has it. I'd bet the turn, hopefully pushing him off of any draws and winning you the pot. If he has an ace he calls and if he plays poorly he calls to draw. If the river isn't a heart, then you're probably good to fire again. He may have the ace but his range is too large for you to miss value when you win.

V likes to limp pots and call raises. He does not continue without something, but I would not categorize him as a post-flop nit. Pre he is definitely a calling station. He is an old man, maybe 70 yrs old.

I figure the worst he has in this spot is something like Ah10x, maybe KhXx. A set maybe? I don't see what we are beating that he is continuing with other than a K high flush draw considering he called a $15 raise pre.

How often does he play premium hands without rare-raising in position? A10 is a possibility but so is KJo. You want to look at his range rather than a specific hand to see what your best choice is. Does he respect your bets I guess is the next question. If he thinks you're a maniac then he may be calling light. I think a set is unlikely for such a large raise. 10-10 isn't outrageous but I'd think you'd see a re-raise on the flop. It's highly unlikely he puts you on AKs.

I've only seen him once before, and he has only been at the table for about 15 minutes.

I do believe he respects my raises since I am a nit.

I could see him playing premium hands without reraising pre. He seems like the kind of guy who would flat anything here but KK+.

My main leak is folding post-flop to aggression. My experience is that many 1/2 live players are willing to stack off with TPGK hands all day and I am not comfortable doing that. I am definitely playing scared money post-flop when deeper stacked(I'm not deep stacked in this hand though). If the flop were 2 hearts I would have no problem getting it in here, maybe even if the turn were anything but a A/K/h. He could definitely be on a big heart draw but what big heart draw calls $15 pre without at least having top pair on the river A? KJo? K10o? K9o?

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Hero checks
V1 bets $25

Hero?

You're describing the villain as a LAG and you're a nit. Those are very contrasting styles. You're comfort zone for raising and betting is far smaller than his. That also means he's comfortable calling where you're not. He might be playing connectors for all we know. Playing hands like A10 against a nit are simply unprofitable. There are very few hands where your pair will beat a nits. If he hits the ace he's likely beat because your range is small: AA, AK, AQ.

If he hit a set and he knows you're a nit, he's likely got you dead to rights. But if he's got a set then he doesn't have a heart and he can't let you potentially draw out on him. He has to raise instead of calling. An insta call feels like a draw and it fits his image. He can't beat you pair vs pair but he can draw a straight or flush against you. If he were a TAG player I'd advise differently. You're safe to bet the turn here. An Ace seems like it helps you more than anything.

Checking signifies weakness and him being in position means he'll likely take advantage right then and there or on the river. Make things easier for yourself and bet.

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Honestly, the pot is $95. He bets $25? That's weird. It almost seems like a made flush. I'm not willing to give it to him right away because his range is so wide. If I bet the turn and he insta calls or raises I know I'm in trouble. With the way things played out I think it's possible his hand is made and he wants you to call to get value.

I almost pot the flop and then he bets 1/4 pot on the turn. If he bets half pot I am less suspicious than $25. It seems like he wants me to call him with whatever I've got, and he knows overpairs are in my range.

I agree. You gave more information about your image and the villain which changes how you interpret the situation. He got lucky against, which is ok. It's gonna happen every once and a while. Learning how to open your ranges could add lots of value to your made hands in the future.