AKo, call the turn raise or 3-bet?

[Guido]

Party Poker 2/4 Hold'em (10 handed)

Preflop: Guido is SB with A[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/heart.gif[/img]. MP2 posts a blind of $2.
UTG folds, UTG+1 folds, UTG+2 calls, MP1 calls, MP2 (poster) checks, MP3 folds, <font color="CC3333">CO raises</font>, Button folds, <font color="CC3333">Guido 3-bets</font>, BB calls, UTG+2 calls, MP1 calls, MP2 folds, CO calls.

Flop: (16 SB) A[img]/images/graemlins/spade.gif[/img], 7[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/heart.gif[/img] <font color="blue">(5 players) </font>
<font color="CC3333">Guido bets</font>, BB folds, UTG+2 calls, MP1 folds, CO calls.

Turn: (9.50 BB) J[img]/images/graemlins/spade.gif[/img] <font color="blue">(3 players) </font>
<font color="CC3333">Guido bets</font>, UTG+2 calls, <font color="CC3333">CO raises</font>, <font color="CC3333">Guido 3-bets</font>, UTG+2 calls, <font color="CC3333">CO caps</font>, Guido calls, UTG+2 calls.

River: (21.50 BB) 5[img]/images/graemlins/spade.gif[/img] <font color="blue">(3 players) </font>
Guido checks, UTG+2 checks, <font color="CC3333">CO bets</font>, Guido calls, UTG+2 calls.

Final Pot: 24.50 BB

[balkii]

I would just call. It looks like he has either AK, AJ, or JJ when he raises on the turn. So you either split or lose.