Party 2/4 JJ hand vs. a short stack

[kpux]

UTG is a short stack, at the turn he only had 1.75BB left.

Party Poker 2/4 Hold'em (10 handed)

Preflop: Hero is MP2 with J[img]/images/graemlins/diamond.gif[/img], J[img]/images/graemlins/heart.gif[/img].
UTG calls, UTG+1 folds, <font color="CC3333">UTG+2 raises</font>, MP1 folds, <font color="CC3333">Hero 3-bets</font>, MP3 folds, CO folds, Button folds, SB folds, BB folds, UTG calls, UTG+2 calls.

Flop: (10.50 SB) 6[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/spade.gif[/img] <font color="blue">(3 players)</font>
UTG checks, UTG+2 checks, <font color="CC3333">Hero bets</font>, UTG calls, UTG+2 calls.

Turn: (6.75 BB) 5[img]/images/graemlins/heart.gif[/img] <font color="blue">(3 players)</font>
<font color="CC3333">UTG bets</font>, UTG+2 calls, <font color="CC3333">Hero raises</font>, UTG+2 calls.

River: (11.75 BB) Q[img]/images/graemlins/diamond.gif[/img] <font color="blue">(3 players)</font>
UTG+2 checks, <font color="CC3333">Hero bets</font>, UTG+2 folds.

Final Pot: 12.75 BB

Looking for comments on the turn mostly. I thought that UTG, as a short stack, could have been betting just to get the rest of his money in there, and that UTG+2 could have just been calling down with a pair or overcards.