[Taraz]

I think a lot of us are forgetting that CO open limped preflop. Is he really gonna do that with KT or QJ? Or QT or T9 or some other two pair hand? I just can't see him entering this pot without trying to steal with those hands.

I think that a set is probably the most likely holding for our villain. His check on the river is a little strange. But it could be to induce a bluff as Beef said.

So in my mind, the question is will he fold a set here? It would really depend on a more concrete read that the CO "has been playing pretty tight" and what our image is. I would think that at this big of a tournament with so many chips that the CO would be able to lay this down, so I would probably push. On party, this would be a definite check in my mind however.