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I don't think he donk/calls flop with a backdoor flushdraw that often, so his shove on the river looks more like a busted flushdraw with the club. Why would he bet so big if he has a flush and scare you off? I think we might call this one. Besides busted flushdraws, I think he might sometimes have weirdly played sets and two pairs.
He have KhJh, JhTh, QhJh, 7h6h that fits perfectly on his flop and turn secuency, so youre losing vs 4 combos
yo need him to bluff or shove worse like 2.x combos so i think is a call with top set
if u think he is calling flop with some QhTh KhTh, all the 76s then is probably a close spot but still a calll
btw sizings are good, ott you block AhXh AcXc so youre targetting JX hands and draws, betting arround 2.xx$ is worse imo