V was a nit but I'm not sure if I knew that when we were playing this hand.

Well, I don't think he would flat 22-88 pre so his range consists mostly of broadways, some traps and a few combos of pocket pairs. I block almost every draw that he could have on the flop or turn so I have nearly 0 fold equity on the river (and I still beat AQ/KQ type of hands).

Given that, do you think the best line here is to check all streets or to cbet flop and reevaluate?

If check OTF, then check that Turn as well (didn't see much accomplished by betting OTT now, as we could CB OTF); V depend, but generally gotta CB that Flop OP.

what hands do we put him on that check back flop but then can call turn? im struggling with this myself, input anyone?

Tx, Jx, QQ+, possibly even 66+ depending on how hero is perceived

The fact that villain flatted pre with 17bb really narrows his range. Unless you have a read that he's a fish, he's not calling 1/8 of his stack with small-med pairs or speculative hands. He'd probably shove most pairs (with the exception of slow playing AA/KK).

So his range pre is going to be hands he's not comfortable shoving (AT, perhaps even AJ, KQ/KJ, QJ, JT, maybe some hands like KTs/QTs) or he's trapping with a big pair. Either way villain is in good shape on that flop.

The check behind on the flop is consistent with a monster or maybe he's uncertain how to play AT/KT/QT.

Bottom line is you're not going to push him off any of his range, and I think you're behind all of it.

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check every street. if nut no pair makes it into your bluffing range on turn+river its safe to assume that you are way overbluffing in that spot.

I might be wrong here.
But i don't see him checking back a J here most of the time (Maybe with his stack size it's possible to get it all with checking back and letting hero hang himself here) So if it was me i likely give him about the same range as you did other than the Jx.
Therefor the river jam is kinda nice, putting him in tough spots with Tx all smaller pair and even the bigger pair can't love it.
The same reason we might give villain Jx here is the same reason we give it to hero.
So both unlikely with the hand going check/check on the flop.
But still interesting.

With his stack size I might play Jx this way. Low SPR so no need to try and get 3 streets if value but give you more room to hang yourself indeed ;-)