Is there my mistake?

[Mihalych]

Is there my mistake?
What do you think?
0.05/0.10 No-Limit Hold'em <font color="blue">(9 handed)</font>
Hand recorder used for this poker hand: Texas Grabem 1.7 by www.pokerstrategy.cc.

Preflop: Hero is UTG+2 with 5[img]/images/graemlins/spade.gif[/img], 5[img]/images/graemlins/diamond.gif[/img]
<font color="grey">UTG+1 folds</font>, Hero calls $0.10, <font color="grey">2 folds</font>, MP3 calls $0.10, <font color="grey">CO folds</font>, BU calls $0.10, SB calls $0.05, BB checks.

Flop: ($0.50) 2[img]/images/graemlins/heart.gif[/img], K[img]/images/graemlins/diamond.gif[/img], 5[img]/images/graemlins/club.gif[/img] <font color="blue">(5 players)</font>
<font color="red">SB bets $0.20</font>, BB calls $0.20, Hero calls $0.20, <font color="grey">MP3 folds</font>, BU calls $0.20.

Turn: ($1.30) 3[img]/images/graemlins/diamond.gif[/img] <font color="blue">(4 players)</font>
<font color="red">SB bets $0.40</font>, BB calls $0.40, <font color="red">Hero raises to $2.00</font>, BU calls $2.00, <font color="grey">2 folds</font>.

River: ($6.10) 8[img]/images/graemlins/diamond.gif[/img] <font color="blue">(2 players)</font>
<font color="red">Hero bets $7.65 (All-In)</font>, <font color="red">BU raises to $7.27 (All-In)</font>.

Final Pot: $21.02

Result below in white
<font color="white"> Villian had A4, str8 </font>