KQ stuck on turn

[dave44]

Button is unknown.

Party Poker 10/20 Hold'em (5 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is MP with K[img]/images/graemlins/club.gif[/img], Q[img]/images/graemlins/heart.gif[/img].
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises</font>, Button calls, <font color="#666666">1 fold</font>, BB calls.

Flop: (6.50 SB) 9[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
BB checks, <font color="#CC3333">Hero bets</font>, Button calls, BB folds.

Turn: (4.25 BB) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>
Hero?

Anyone take another stab at this pot on the turn, or is it best to just check and fold if he bets? I've been running a bit badly lately and need to rethink some of these somewhat common, but somewhat tricky situations.