86s in the CO

[DontRaisePlz]

PokerStars 2/4 Hold'em (10 handed) converter

Preflop: Hero is CO with 8[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/diamond.gif[/img]. Hero posts a blind of $2.
<font color="#666666">5 folds</font>, MP3 calls, Hero (poster) checks, <font color="#CC3333">Button raises</font>, <font color="#666666">2 folds</font>, MP3 calls, Hero calls.

Flop: (7.50 SB) T[img]/images/graemlins/club.gif[/img], 8[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(3 players)</font>
MP3 checks, Hero checks, <font color="#CC3333">Button bets</font>, MP3 calls, Hero calls.

Turn: (5.25 BB) 7[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(3 players)</font>
MP3 checks, <font color="#CC3333">Hero bets</font>, Button calls, MP3 folds.

River: (7.25 BB) A[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(2 players)</font>

Final Pot: 7.25 BB

Check raising two players on the flop didnt seem right. Betting didn't seem right either. On the turn, I still don't know if a bet is right but I did it anyway. Then I fold the river.

I should've folded preflop but since I put myself in this situation anyway, how do I play this?