AKs on a 2 paired turn

[M0n3y0nf1r3]

Party Poker 3/6 Hold'em (10 handed) FTR converter on zerodivide.cx

Preflop: Hero is SB with A[img]/images/graemlins/club.gif[/img], K[img]/images/graemlins/club.gif[/img].
2 folds</font>, UTG+2 calls, 2 folds</font>, MP3 raises</font>, 2 folds</font>, Hero 3-bets</font>, 1 fold</font>, UTG+2 calls $4 (All-In), MP3 calls.

Flop: (9.33 SB) 9[img]/images/graemlins/spade.gif[/img], 9[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] (3 players, 1 all-in)</font>
Hero bets</font>, MP3 calls.

Turn: (5.66 BB) 4[img]/images/graemlins/heart.gif[/img] (3 players, 1 all-in)</font>
Hero checks, MP3 bets</font>, Hero calls.

River: (7.66 BB) 3[img]/images/graemlins/diamond.gif[/img] (3 players, 1 all-in)</font>
Hero checks, MP3 bets</font>, Hero calls.

Final Pot: 9.66 BB

Did i play this right? I planned on going to showdown as cheap as possible, but should i have tried to extract value? Does the guy going all in effect any disscions i should make ?
Thanks,
-Andrew