NL:5/10 What is the turn play? TPGK flop, turn pairs board

[vixticator]

Everyone in this pot is 40-50 VPIP, moderately aggressive.

Poker Stars - No Limit Hold'em Cash Game - $0.02/$0.05 Blinds - 6 Players - (LegoPoker HH Converter (http://www.legopoker.com/hh))

Hero (SB): $11.25
BB: $2.00
UTG: $9.60
MP: $5.71
CO: $8.35
BTN: $5.29

Preflop: Hero is dealt J/images/graemlins/diamond.gif K/images/graemlins/heart.gif (6 Players)
UTG calls $0.05, MP calls $0.05, 2 folds, Hero calls $0.03, BB checks

Flop: ($0.20) 4/images/graemlins/heart.gif 9/images/graemlins/club.gif J/images/graemlins/heart.gif (4 Players)
<font color="red">Hero bets $0.15</font>, BB calls $0.15, UTG calls $0.15, MP calls $0.15

Turn: ($0.80) 4/images/graemlins/diamond.gif (4 Players)
Hero checks??? bets???, BB checks, <font color="red">UTG bets $0.30</font>, MP calls $0.30, fold, <font color="red">Hero folds?</font>

[Archon_Wing]

I'd bet the turn again since these guys are calling with tons of random crap. As played I'd just call this small bet as you can't give him credit for a 4 so easily. I don't mind checking most rivers.