25NL - two pair no good?

[Avocado]

did i make anything wrong in this hand?

PokerStars No-Limit Hold'em, $0.25 BB (4 handed) pokerhand.org hand converter (http://www.pokerhand.org)

BB ($18.95)
UTG ($18.80)
Hero ($25.20)
SB ($37.90)

Preflop: Hero is Button with Q/images/graemlins/club.gif, K/images/graemlins/diamond.gif.
<font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $0.75</font>, <font color="#666666">1 fold</font>, BB calls $0.50.

Flop: ($1.60) Q/images/graemlins/diamond.gif, K/images/graemlins/spade.gif, A/images/graemlins/spade.gif <font color="#0000FF">(2 players)</font>
BB checks, <font color="#CC3333">Hero bets $1</font>, <font color="#CC3333">BB raises to $2</font>, <font color="#CC3333">Hero raises to $5</font>, BB calls $3.

Turn: ($11.60) 9/images/graemlins/heart.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $0.5</font>, <font color="#CC3333">Hero raises to $8</font>, BB calls $7.50.

River: ($27.60) A/images/graemlins/diamond.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">BB bets $4.25</font>, Hero calls $4.25.

Final Pot: $36.10

[Hattifnatt]

A read would help, reraise more on the flop or just call. Turn and river is fine.