Bet River for Value?

[waynethetrain]

Sorry for all the hands. This is the last one. I still have trouble with river betting for value and I wanted opinions on this one before I leave, so when I get back I read them. The A on the board and the turn call threw me off a little.

Party Poker 1/2 Hold'em (8 handed) converter

Preflop: Hero is BB with 4[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#666666">2 folds</font>, MP1 calls, <font color="#666666">2 folds</font>, Button calls, <font color="#666666">1 fold</font>, Hero checks.

Flop: (3.50 SB) J[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/diamond.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, MP1 calls, Button calls.

Turn: (3.25 BB) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, MP1 folds, Button calls.

River: (5.25 BB) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, Button checks.

Final Pot: 5.25 BB