Folding AQ on semisteal

[ghostface]

Party 10+1 NLHE Level 4 Blinds 50/100

Villain is Loose/Passive

Hero T1250
Villain T945

Hero is dealt A[img]/images/graemlins/heart.gif[/img] Q[img]/images/graemlins/spade.gif[/img] on button.

Villain calls, CO folds, Hero raises to 325, 2 folds, Villain raises all-in, Hero folds

Was I already committed here or is this a good place to fold an AQo. I've learned not to get attached to AQ by now and I thought this was a good fold. More than anything I thought my fold equity was too big to continue with only 5 left and another short stack out there. Your thoughts?