PLO8, Flop Play

I'm not sure if I played this correctly...
PLO8 $1-2
Hero: $284
BB: $165

Hero is on the button with 2 [img]/images/graemlins/spade.gif[/img]3 [img]/images/graemlins/spade.gif[/img]4 [img]/images/graemlins/heart.gif[/img]5 [img]/images/graemlins/heart.gif[/img]

2 players limp, I limp, SB folds, BB raises to 6, limpers call, I call.

The BB was a complete idiot, so I didn't give much thought to his raise. He'd been raising any 4 and leading out of the flop about every other hand.

Flop comes A [img]/images/graemlins/spade.gif[/img]A [img]/images/graemlins/club.gif[/img]4 [img]/images/graemlins/diamond.gif[/img]. BB bets 1/2 pot, MP's fold, I call. I'm not sure about the call here, but I didn't give the guy credit for any type of hand.

Turn is the 5 [img]/images/graemlins/diamond.gif[/img]. BB leads out for the pot, I...