[toybux]

Just bet here, probably like $33. Riall is right--there are a ton of hands that are basically bluffcatchers that will call a bet but will rarely get bet for value if we check. A queen seems fairly unlikely based on the action so far, and might not even call a big river check-raise in this spot. Most of the time he has a hand that won't bet, or, if it does, won't call a check raise, so against those hands checking is way worse than just betting.

Hands that would bet and call a check raise are the strong slowplayed Q's or a smaller boat. Boats are very very likely to raise the river if we bet anyway and we can get all in simply by leading the river (actually, probably easier because a c-rai on the river is going to be a huge bet, but if we lead and get raised less than a push no one will ever get away when we push for the last bit of money).

The only hand that a check raise seems best against is a slowplayed queen, which I think we see pretty rarely given action so far. A flush draw might bluff sometimes, but nowhere near enough to make up for the value we lose to hands that will check behind if we check but would have called a better. In a limped pot on a board like this, my experience is that people use almost any pair as a bluffcatcher given your actions, so I think you'll get paid a LOT here by just valuebetting.

JR's point about the #1 mistake being people call too much is so true in a spot like this and we can easily exploit that mistake here. Bet bet bet.