PLO/8 AA2x From the blinds

[retro69]

Villan here was a fairly loose player, noticed he plays to non nut draws and is aggressive flopping a nut low draw and a pair. Should i have raised preflop here? Was i ok calling the flop re-raise?

Thanks in advance.

Stats - VPIP - 42% PFR 12% Aggression 9.5/4.5/6.5

Full Tilt Poker
Pot Limit Omaha Ring game
Blinds: $0.25/$0.50
9 players
Converter

Stack sizes:
UTG: $27.40
UTG+1: $9.95
MP1: $17.25
MP2: $44.25
MP3: $49.55
CO: $50
Button: $37.35
SB: $28.30
Hero: $50

Pre-flop: (9 players) Hero is BB with 2 [img]/images/graemlins/club.gif[/img] J [img]/images/graemlins/club.gif[/img] A [img]/images/graemlins/club.gif[/img] A [img]/images/graemlins/diamond.gif[/img]
UTG calls, 4 folds, CO (poster) checks, 2 folds, 2 folds, Hero (poster) checks.

Flop: 7 [img]/images/graemlins/spade.gif[/img] 4 [img]/images/graemlins/club.gif[/img] 9 [img]/images/graemlins/heart.gif[/img] ($1.75, 3 players)
Hero bets $1.25</font>, UTG raises to $5.5</font>, CO folds, Hero calls.

Turn: T [img]/images/graemlins/club.gif[/img] ($12.75, 2 players)
[Hero bets $12.75</font>, UTG raises all-in $21.4</font>, Hero ???