25NL: Was a check on the river wrong?

[PJo336]

Full Tilt Poker
No Limit Hold'em Cash Game
$0.10/$0.25 Blinds
6 Players
LegoPoker HH Converter

SB: $8.40
BB: $25
<u>Hero (UTG): $23.85</u>
<u>MP: $38.25</u>
CO: $10.35
BTN: $25

<font color="black">Preflop:</font> Hero is dealt K[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/heart.gif[/img] (6 Players)
<font color="red">Hero raises to $1</font>, MP calls $1, 4 folds

<font color="black">Flop:</font> ($2.35) 3[img]/images/graemlins/spade.gif[/img] 7[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $1.25</font>, MP calls $1.25

<font color="black">Turn:</font> ($4.85) T[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">Hero bets $3.25</font>, MP calls $3.25

<font color="black">River:</font> ($11.35) J[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, MP checks

Pot Size: $11.35 ($0.55 Rake)

A bet on the river?