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You might be overthinking for this buy-in level. At $22 everybody's not aware of cbetting, and somebody might be just too weaktight to bet this when scared of K. At higher levels that check would be more suspicious.

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I agree, he could hold QQ, JJ, AQ, anything here "afraid" of the K on the flop, maybe players are too weak to even c-bet. I defiantely re-raise PF, I very much doubt villian will fold here to a re-raise, he'll at least call your raise and helps build the pot.