Check-raise this river?

[SNOWBALL]

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No way he knows that u know that he must have a flush. Just b/3b.

He will also never bet a J (or 66-TT) when the K rivers, but will still call a bet some decent % of the time with those hands. And there's no way u can positively say he has a flush draw on the river. If he's aggro enough to raise a FD, he's aggro to raise that flop with a pair obv.

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ok but why would he cap with a pair?