Quote Originally Posted by benny999
I wrote a similar question recently and mcatdog wrote a good answer...

Well you have to ask yourself whether it's more likely that he has a weak marginal hand that will check behind but will call a bet, or whether it's more likely that he has a missed draw that he'll bluff with.
right on

if you knew this guy to be aggressive rather than loose/passive, this is a great river to c/c
nh