Standard river play?

[esspo]

On line 15-30. Not enough hands to have any read on button.

EP limps, folded to me in the cutoff and I raise with AQo, button cold calls, blinds call.

Flop: J [img]/images/graemlins/spade.gif[/img] 7 [img]/images/graemlins/heart.gif[/img] 3 [img]/images/graemlins/spade.gif[/img]

Checked to me, I bet, button calls, everyone else folds.

Turn: 2 [img]/images/graemlins/club.gif[/img]

I bet, button calls.

River: Q [img]/images/graemlins/diamond.gif[/img]

I check. Comments on all streets appreciated.