River vbet sizing?

[Spurious]

MP: 33/7/4
SB: no stats/reads

Poker Stars, $0.05/$0.10 NL Hold'em Cash Game, 6 Players
LeggoPoker.com - Hand History Converter

MP: $5.05
CO: $12.95
BTN: $34.15
SB: $9.70
Hero (BB): $11.10
UTG: $1.60

Pre-Flop: 7[img]/images/graemlins/club.gif[/img] K[img]/images/graemlins/diamond.gif[/img] dealt to Hero (BB)
UTG folds, MP calls $0.10, 2 folds, SB calls $0.05, Hero checks

Flop: ($0.30) A[img]/images/graemlins/club.gif[/img] 7[img]/images/graemlins/spade.gif[/img] K[img]/images/graemlins/heart.gif[/img] (3 Players)
SB checks, <font color="red">Hero bets $0.30</font>, MP calls $0.30, SB folds

Turn: ($0.90) 7[img]/images/graemlins/diamond.gif[/img] (2 Players)
Hero checks, <font color="red">MP bets $0.50</font>, <font color="red">Hero raises to $1.50</font>, MP calls $1

River: ($3.90) T[img]/images/graemlins/diamond.gif[/img] (2 Players)
<font color="red">Hero bets $2.25</font>


What do you think about my bet?