Correct Fold?

[SupaDupa]

Hi I'm new at poker and I just started playing limit holdem.

Can anyone tell me if I played this hand bad. I thought I made the right fold here but I guess i was wrong.

PokerStars 0.25/0.50 Hold'em (4 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: 2+2 Forums)

Preflop: Hero is UTG with 8[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">Hero raises</font>, Button calls, SB calls, BB calls.

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

Turn: (8 BB) 7[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, BB checks, Hero checks, Button checks.

River: (8 BB) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">SB bets</font>, BB calls, Hero folds, Button folds.

Final Pot: 10 BB

Results in white below: <font color="#FFFFFF">
BB has Ad 7h (one pair, sevens).
SB has 8d Kd (one pair, eights).
Outcome: SB wins 10 BB. </font>