Hero has been nitty and just doubled up when he coolered someone. V rarely raises pre (usually just limps or calls), then becomes a calling station whenever he has a piece. He called down 3 streets with top pair, no kicker.

$475 Eff

V is UTG and opens 25. I'm on btn and call AQ. Blinds fold. Heads up.
-I believe his range to be quite strong at this point. I range him on big pairs (JJ+) and broadway cards(QJ+). That might even be to wide considering I've only seen him raise once in the 2+ hours I've played with him. I'm not sure if he would call a 3b or fold. I thought flatting would be the best choice.

Flop ($50) (SPR-9)
AT4
V leads for $50. I call.
-With his nitty image and big bet, I'm getting crushed by top set and AK. I'm chopping AQ and beating AJ. I'm not sure he would have AT/A4 in his range, but it's possible. He could be c-betting his entire range in hopes that I missed. I think calling is the only option at this point.

Turn ($150)
AT4A
V leads for $150. Hero calls (?)
-I believe this is the major decision point here. If I call here, I'm going to have to call off on the river when he shoves. Quads is highly unlikely. AK/AQ/AJ is still in his range. If AK, then it's just a cooler? I'm crushed by AT/A4 but it's highly unlikely he has that. KQhh-QJhh if he's barrelling but I doubt it. I don't think raising is good. So it's call turn, call river or fold turn. I'm not sure I calling turn/folding river would be a good line. If I'm folding here, it would be purely based on my read.

River ($450)
AT4A5
V shoves $250. Hero calls (?)

FYI quads is impossible. I think you can fold the turn based on his relative passiveness. Expect him to have AK/TT too often.

On river, you only beat AJ in best scenario with AJ+/TT?/AT?. I guess you call river based on that. AJ 4 combos, AQ 3 combos, AK 4/TT 3/AT 3 so....
700*4 + 225*3 - 250*10 > 0

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Your range for V preflop is pretty wonky. He usually limps or calls, but is willing to raise 5x with QJ UTG? What?

With the extremely limited information about V, he has AK, AQ, or TT. Maybe AT. I really can't see him having much else, as described.

It's more of a cooler if a complete nit decides to lose his mind and bluffs you off the pot. You don't beat any reasonable value and this would be a weird spot to bluff.

If he's actually a huge nit this is kind of a trivial fold. The only other consideration is if he's bad enough to play AJ like this. Idk what he's hoping to get called by though but sometimes recplayers just do stupid stuff.

Fold pre

Yeah I'm not normally a member of the preflop police but this is no bueno:

The rest of the hand is kind of you getting what you deserve. Is villain usually this aggressive postflop? Is betting pot on two streets usual for him? Going to be pretty hard to find a fold, the place to decide "hey maybe AQ is dominated by this guy who never raises and just 5x'd UTG" was preflop.

All you can beat is AJs which is debatable that villain would open. Snap folding river.

You're way too wide with the villain's range pf. You've seen him raise once in a 2 hour period. Even at a slow table, that suggests he's raising only about 2% of his hands even if he isn't positionally aware. With your hand you're a 3:1 underdog. Even worse, if you hit the ace and he doesn't have one, he isn't going to pay you off. You'll collect 1 bet only, not justifying the call.

As played on the flop, you're just slightly ahead of his range. Lots of people cbet, so calling isn't a bad play. The turn is actually bad for us when he bets. This is mainly a passive player. The second ace should scare him since a lot of our calling range is Ax. Since he fires again, he's either engaging in a massive bluff or has AK. Passive players don't massively bluff. I'd fold at this point.

Doyle Brunson figures that AQo is the hand he's lost the most money over time when calling pf. This hand is an example of how that happened.