weak turn play at party 3/6

[poker4fun111]

Reads: Button 54/6 , MP1 44/5; beide eher passiv Postflop;
Was meint ihr, sollte ich den Turn anspielen und bei einem Raise dann folden?

Party Poker 3/6 Hold'em (10 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is SB with A[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/spade.gif[/img]. MP3 posts a blind of $3. CO posts a blind of $3. MP1 posts a blind of $3.
UTG calls, <font color="#666666">2 folds</font>, MP1 (poster) checks, <font color="#666666">1 fold</font>, MP3 (poster) checks, CO (poster) checks, Button calls, Hero completes, BB checks.

Flop: (10 SB) 7[img]/images/graemlins/spade.gif[/img], 8[img]/images/graemlins/heart.gif[/img], 5[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, BB folds, UTG folds, MP1 calls, MP3 folds, CO folds, Button calls.

Turn: (5 BB) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
Hero checks, <font color="#CC3333">MP1 bets</font>, <font color="#CC3333">Button raises</font>, Hero ?