NL50 - 99 in trouble

[pokerash]

Villain is 31/67/14

Party Poker
No Limit Hold'em Cash Game
$0.25/$0.50 Blinds
5 Players
LegoPoker HH Converter

<u>Hero (SB): $50.90</u>
BB: $59.09
<u>UTG: $125.26</u>
CO: $48.25
BTN: $61.35

<font color="black">Preflop:</font> Hero is dealt 9[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] (5 Players)
<font color="red">UTG raises to $1</font>, 2 folds, <font color="red">Hero raises to $2.50</font>, BB folds, UTG calls $1.50

<font color="black">Flop:</font> ($5.50) 5[img]/images/graemlins/heart.gif[/img] 6[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $5</font>, UTG calls $5

<font color="black">Turn:</font> ($15.50) J[img]/images/graemlins/spade.gif[/img] (2 Players)
Hero checks, <font color="red">UTG bets $13.50</font>, Hero calls $13.50

<font color="black">River:</font> ($42.50) 2[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero checks, <font color="red">UTG bets $21.50</font>, Hero ?

Did I play this sooo bad? Was he flushing or did he possibly hit the J on the turn?