AKs against 3-bet on flop

[xCEO]

UTG is 55/10/1.3 (61 hands)

What about my play?
Should I cap the flop? UTG is passive post-flop, should I consider to drop my hand on the turn?

Party Poker 3/6 Hold'em (10 handed) converter

Preflop: Hero is MP2 with A[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/heart.gif[/img].
UTG calls, <font color="#666666">2 folds</font>, MP1 calls, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, CO calls, <font color="#666666">2 folds</font>, BB calls, UTG calls, MP1 calls.

Flop: (10.33 SB) T[img]/images/graemlins/heart.gif[/img], A[img]/images/graemlins/club.gif[/img], 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(5 players)</font>
BB checks, <font color="#CC3333">UTG bets</font>, MP1 folds, <font color="#CC3333">Hero raises</font>, CO calls, BB folds, <font color="#CC3333">UTG 3-bets</font>, Hero calls, CO calls $2 (All-In).

Turn: (9.50 BB) 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players, 1 all-in)</font>
<font color="#CC3333">UTG bets</font>, Hero calls.

River: (11.50 BB) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players, 1 all-in)</font>
<font color="#CC3333">UTG bets</font>, Hero calls.

Final Pot: 13.50 BB