KK: how to play this one.

[sawseech]

bb has ducks
chk

[Toopskees]

Result:
Checked around on the turn.
River was a total blank (don't remember the exact card).
BB checked again. I bet $250, got raised all-in, and decided to call (putting him on AQ), BB folds. Villain to my left shows QTo (!) and drags the pot.