was i ok to limp here?

[cfjr2]

I'm having a bad night and not sure if I'm searching for hands now - this seems to be the best I've seen in an hour, so I thought I'd limp in to see the flop...

Party Poker 0.5/1 Hold'em (9 handed) converter

Preflop: Hero is UTG with 9[img]/images/graemlins/club.gif[/img], T[img]/images/graemlins/heart.gif[/img].
Hero calls, <font color="#666666">2 folds</font>, MP2 calls, <font color="#666666">2 folds</font>, Button calls, BB checks.

Flop: (4.50 SB) 4[img]/images/graemlins/club.gif[/img], 7[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(5 players)</font>
<font color="#CC3333">BB bets</font>, Hero calls, MP2 folds, Button calls.

Turn: (3.75 BB) 6[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">BB bets</font>, <font color="#CC3333">Hero raises</font>, Button calls, BB calls.

River: (9.75 BB) 9[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
BB checks, Hero checks, <font color="#CC3333">Button bets</font>, BB calls, Hero calls.

Final Pot: 12.75 BB

is this ok and is raise on the turn ok?