2nl, flop a monster draw meeting resistance is this spew or ok?

[wingchunflush]

villain is 30/20 and I felt I had enough outs to see this all the way out...is this too much aggro/gamble?

PokerStars No-Limit Hold'em, $0.02 BB (2 handed) internettexasholdem.com

Hero ($3.30)
Button ($5.21)

Preflop: Hero is BB with J[img]/images/graemlins/club.gif[/img], A[img]/images/graemlins/heart.gif[/img].
<font color="#CC3333">Button raises to $0.12</font>, <font color="#CC3333">Hero raises to $0.42</font>, Button calls $0.30.

Flop: ($0.84) 5[img]/images/graemlins/club.gif[/img], 3[img]/images/graemlins/club.gif[/img], 2[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $0.5</font>, <font color="#CC3333">Button raises to $4.79</font>, Hero calls $2.38 (All-In).

Turn: ($8.51) 2[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

River: ($8.51) Q[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players, 1 all-in)</font>

Final Pot: $8.51