uniproved AKo, out of posotion

[beanwater]

bb is 38/5/1.8
co is 54/0/.2

PokerStars 2/4 Hold'em (6 handed) Hand History converter Courtesy of PokerZion.com

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

Flop: (6 SB) J[img]/images/graemlins/spade.gif[/img], Q[img]/images/graemlins/diamond.gif[/img], 4[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, BB calls, CO calls.

Turn: (4.50 BB) J[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, BB calls, CO calls.

River: (7.50 BB) 9[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, BB checks, <font color="#CC3333">CO bets</font>, Hero folds, BB folds.

Final Pot: 8.50 BB

is this totally standard? i end up in this spot alot, and im not sure if there's a better way to play this. always bet the turn?