I'm lost

[stigmata]

EIT: Just noticed that you noted "extremely limited stats". This makes what I said below somewhat arguable.


What does a tight passive cap preflop with and then check-call with on a KTx flop? This severely limits his holdings to just a few hands.

Likely hands: KK (trapping), QQ
Maybe hands: AQs, AQo (probably wouldn't of capped with these)
Some other hands are possible, but pretty unlikely (AA, TT, JJ etc.) because of the way he played the hand.

I think bet turn and check river might be a reasonable line. I just don't think we have much value against a passive preflop capper here, the way he played this just stinks of QQ.