When a fish min-raises.. YMTC

Villian is simply a fish, not aggressive and VP$IP of about 45%. What do we do here with the min-raise..? And what would you have bet on the turn? I know my bet was weak, should I have checked or bet bigger? What's your play here?

Party Poker No-Limit Hold'em, $ BB (9 handed) converter (http://www.selachian.com/tools/bisonconverter/hhconverter.cgi)

Button ($27)
SB ($39.05)
BB ($20.15)
UTG ($36.39)
UTG+1 ($30.65)
MP1 ($4.75)
Hero ($29.25)
MP3 ($20.30)
CO ($38.65)

Preflop: Hero is MP2 with A/images/graemlins/diamond.gif, A/images/graemlins/spade.gif. SB posts a blind of $0.10.
UTG calls $0.25, <font color="#CC3333">UTG+1 raises to $0.5</font>, <font color="#666666">1 fold</font>, <font color="#CC3333">Hero raises to $1.5</font>, MP3 calls $1.50, <font color="#666666">4 folds</font>, UTG folds, UTG+1 folds.

Flop: ($4.10) J/images/graemlins/heart.gif, T/images/graemlins/spade.gif, 7/images/graemlins/heart.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $3</font>, MP3 calls $3.

Turn: ($10.10) J/images/graemlins/club.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $3</font>, <font color="#CC3333">MP3 raises to $6</font>.

Final Pot: $19.10