Buy a skirt on the river?

[macdaddy991]

BB is passive, I have already seen him check call his set on the river when a BD flush draw hit.

Button is unknown, I have seen him enter several pots however once winning with a Q5 diamond flush from UTG.

Preflop: Hero is CO with K[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/spade.gif[/img].
<font color="#666666">1 folds</font>, MP calls, <font color="#CC3333">Hero raises</font>, Button calls, <font color="#666666">1 folds</font>, BB calls, MP calls.

Flop: (8.50 SB) 5[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, MP checks, <font color="#CC3333">Hero bets</font>, Button calls, <font color="#CC3333">BB raises</font>, MP folds, <font color="#CC3333">Hero 3-bets</font>, Button calls, BB calls.

Turn: (8.75 BB) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">Hero bets</font>, Button calls, BB calls.

River: (11.75 BB) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, Hero checks..

[McGahee]

Yeah, I vote for skirt. The problem as I see it is that button will hardly ever bluff this in a 3-way pot and he'll call with worse hands. I don't know what BB has but passive players usually wait till the turn to C/R their big hands and if he raises you can fold with certainty that he has the flush.