How did I play this?

I've only had 2 days experience playing limit, though I read GSIH and I'm in the middle of SSHE. Did I play this hand wrongly?

Ultimate Bet 0.01/0.02 Hold'em (10 handed) converter

Preflop: Hero is MP2 with 6[img]/images/graemlins/diamond.gif[/img], 6[img]/images/graemlins/heart.gif[/img]. SB posts a blind of $0.01.
UTG calls, <font color="#666666">3 folds</font>, Hero calls, MP3 calls, <font color="#666666">1 fold</font>, Button calls, SB (poster) checks, BB checks.

Flop: (6 SB) 6[img]/images/graemlins/spade.gif[/img], T[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/spade.gif[/img] <font color="#0000FF">(6 players)</font>
SB checks, BB checks, UTG checks, <font color="#CC3333">Hero bets</font>, MP3 calls, Button calls, SB folds, BB folds, UTG calls.

Turn: (5 BB) 7[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
UTG checks, Hero checks, MP3 checks, Button checks.

River: (5 BB) K[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(4 players)</font>
UTG checks, <font color="#CC3333">Hero bets</font>, MP3 folds, <font color="#CC3333">Button raises</font>, UTG folds, <font color="#CC3333">Hero 3-bets</font>, Button calls.

Final Pot: 11 BB

Results in white below: <font color="#FFFFFF">
Button has 9c Kc (straight, ten high).
Hero has 6d 6h (three of a kind, sixes).
Outcome: Button wins 11 BB. </font>