Bottom trips...worth capping? 1/2 LO8

[T50_Omaha8]

This is six-handed $1/$2 LO8, at a rather loose table. Villian was certainly not an expert nor a rock, but he wasn't autobetting either.

PokerStars 1/2 Omaha/8 (6 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

SB was shortstacked at $3.25, thus me pushing him in preflop.

Preflop: Hero is MP with A[img]/images/graemlins/heart.gif[/img], 7[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/heart.gif[/img], 4[img]/images/graemlins/spade.gif[/img].
UTG calls, Hero calls, Villian calls, Button calls, <font color="#CC3333">SB raises</font>, BB calls, UTG calls, <font color="#CC3333">Hero 3-bets</font>, Villian calls, Button calls, <font color="#CC3333">SB caps</font>, BB calls, UTG calls, Hero calls, Villian calls, Button calls.

Flop: (19.50 SB) 7[img]/images/graemlins/diamond.gif[/img], 9[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(6 players)</font>
<font color="#CC3333">BB bets</font>, UTG calls, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">Villian 3-bets</font>, Button folds, BB calls, UTG calls, Hero calls.

Turn: (15.75 BB) 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(5 players)</font>
BB checks, UTG checks, Hero checks, <font color="#CC3333">Villian bets</font>, BB calls, UTG calls, <font color="#CC3333">Hero raises</font>, <font color="#CC3333">Villian 3-bets</font>, BB calls, UTG calls, Hero ???


General hand play comments requested. Was I way too excited? Should I have folded? Called? Thanks in advance.