Re: did i overplay my trips in this huge pot?
Yes. I'd put him on 99 once he 3 bets the turn. The turn isn't that bad since you're risking 1 to win 2, although I still think you have a slight equity defecit here, and you might get check/raised on the river. The river is pretty awful, he's more likely to have 99 than AA/KK here (or whatever random stuff a maniac might hold) and you're missing out on the overcall by raising plus losing 2 bets when behind.
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