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I think UTG woke up with two pair on the river (AT, JT). I would assume UTG is would raise AA and JJ preflop, probably KQ as well, so I think you can rule out those hands. I think you're ahead enough on the river to 3-bet the raise.

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Yeah....

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As for the concern about the PFR - If you are beat then there is nothing you can do about it. You've got a great hand and have to push that edge against loose opponents that have done nothing up to this point but call.