Bad bet on turn??

[akvsaq]

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

Preflop: Hero is MP1 with J[img]/images/graemlins/diamond.gif[/img], K[img]/images/graemlins/diamond.gif[/img].
<font color="#666666">3 folds</font>, <font color="#CC3333">Hero raises</font>, <font color="#666666">1 fold</font>, MP3 calls, <font color="#666666">1 fold</font>, Button calls, <font color="#666666">2 folds</font>.

Flop: (7.50 SB) 6[img]/images/graemlins/heart.gif[/img], 6[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, MP3 calls, Button calls.

Turn: (5.25 BB) 4[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero bets</font>, <font color="#CC3333">MP3 raises</font>, Button calls, Hero folds.

River: (10.25 BB) A[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">MP3 bets</font>, Button calls.

Final Pot: 12.25 BB

Should I have checked the turn being called in 2 places in this raggedy flop? What if only 1 person called the turn and I hit a blank on river. I check and call or fold a bet on river in most situations?? Thanks in advance.