[SABR42]

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to me, his two calls look like 99-QQ. these are hands that i feel he will value bet the river against me

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He's really going to bet a mid-pair hoping you call him with ace-high?

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additionally, i feel like Kx is a small part of his range. AK/KQ he probably reraises pf or flop or turn.

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Why would he raise them on the flop/turn? He's way ahead/way behind, and since you're so aggressive in firing multiple barrels, why WOULDN'T he just call down?

Your thinking is way off IMO.