How not to play AKs -- some help please.

[kem]

So many mistakes here, but where exactly should I have folded this hand? After the 3-bet on the flop? Or certainly the turn? The only read I have on the BB is that he's a LAG.. his VP$IP while I was there was 87.5%

Party Poker 0.50/1 Hold'em (8 handed)

Preflop: Hero is MP1 with A[img]/images/graemlins/spade.gif[/img], K[img]/images/graemlins/spade.gif[/img].
UTG calls, UTG+1 folds, <font color="CC3333">Hero raises</font>, MP2 folds, CO folds, Button calls, SB folds, <font color="CC3333">BB 3-bets</font>, UTG calls, <font color="CC3333">Hero caps</font>, Button calls, BB calls, UTG calls.

Flop: (16.50 SB) 5[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/heart.gif[/img], Q[img]/images/graemlins/heart.gif[/img] <font color="blue">(4 players) </font>
<font color="CC3333">BB bets</font>, UTG folds, <font color="CC3333">Hero raises</font>, Button calls, <font color="CC3333">BB 3-bets</font>, Hero calls, Button calls.

Turn: (12.75 BB) 2[img]/images/graemlins/spade.gif[/img] <font color="blue">(3 players) </font>
<font color="CC3333">BB bets</font>, Hero calls, Button folds.

River: (14.75 BB) J[img]/images/graemlins/diamond.gif[/img] <font color="blue">(2 players) </font>
<font color="CC3333">BB bets</font>, Hero calls.

Final Pot: 16.75 BB

Results in white below: <font color="white">
BB shows 8h 8d (one pair, eights).
Hero shows As Ks (high card, ace).
Outcome: BB wins 16.75 BB. </font>