Value bet or induce a bluff?

[Evan]

Button has solid looking stats assuming they're from shorthanded play (24/18). MP is completely unknown and it's his first hand at the table.


Party Poker 20/40 Hold'em (5 handed) FTR converter on zerodivide.cx

Preflop: Hero is UTG with J[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/diamond.gif[/img]. MP posts a blind of $20.
<font color="#CC3333">Hero raises</font>, MP (poster) calls, <font color="#CC3333">Button 3-bets</font>, <font color="#666666">2 folds</font>, Hero calls, MP calls.

Flop: (10.50 SB) A[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/heart.gif[/img], 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, MP checks, Button checks.

Turn: (5.25 BB) T[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, MP calls, Button folds.

River: (7.25 BB) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero asks the question in the title