NL50 JJ rivered set but facing big bet

[andys0506]

Villain: 29/16/6 over 80 hands

Looking back at this I think I should have bet turn but I was worried about getting raised.

Comments on my play please...

Poker Stars, $0.25/$0.50 NL Hold'em Cash Game, 6 Players
LeggoPoker Hand History Converter

UTG: $46.75
MP: $45.45
CO: $10.80
BTN: $55.05
Hero (SB): $49.70
BB: $44.30

Pre-Flop: J[img]/images/graemlins/club.gif[/img] J[img]/images/graemlins/spade.gif[/img] dealt to Hero (SB)
<font color="red">UTG raises to $2.50</font>, 2 folds, BTN calls $2.50, Hero calls $2.25, BB folds

Flop: ($8) 9[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/heart.gif[/img] (3 Players)
<font color="red">Hero bets $5.50</font>, UTG calls $5.50, BTN folds

Turn: ($19) 6[img]/images/graemlins/heart.gif[/img] (2 Players)
Hero checks, UTG checks

River: ($19) J[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $9.50</font>, <font color="red">UTG raises to $38.75 and is All-In</font>, Hero ????