10NL - 86s hits trips on flop

[VLV]

No reads on villain, have only been at the table for a few hands

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) Hand History Converter Tool (http://poker-tools.flopturnriver.com/Hand-Converter.php) from FlopTurnRiver.com (http://www.flopturnriver.com) (Format: 2+2 Forums)

saw flop|<font color="#C00000">saw showdown</font>

BB ($5.70)
UTG ($9.70)
MP ($4.95)
CO ($8.95)
Hero ($10)
SB ($4.15)

Preflop: Hero is Button with 8/images/graemlins/spade.gif, 6/images/graemlins/spade.gif.
UTG calls $0.10, <font color="#666666">1 fold</font>, CO calls $0.10, <font color="#CC3333">Hero raises to $0.5</font>, <font color="#666666">2 folds</font>, UTG calls $0.40, CO folds.

Flop: ($1.25) 4/images/graemlins/club.gif, 6/images/graemlins/diamond.gif, 6/images/graemlins/club.gif <font color="#0000FF">(2 players)</font>
<font color="#CC3333">UTG bets $0.8</font>, <font color="#CC3333">Hero raises to $2.5</font>, UTG calls $1.70.

Turn: ($6.25) 3/images/graemlins/heart.gif <font color="#0000FF">(2 players)</font>
UTG checks, <font color="#CC3333">Hero ???

I was really surprised by his big flop bet and was quite lost there so i figured the best thing to do would be to re-raise him here. He might have hit a straight on the turn with 57 but I think most likely he is going for a flush draw. Do I need to worry about him having a 6 with a higher kicker or are the odds of that happening just too big?

[jessyj07]

Bet $4.5 and hope to get in. Yes 57 got there but don't be scared of monsters. He could still have 77-99 and overcards plus a flush draw that he'll call with.

[Jzo19]

i think you should be more worried about 44 than a6s ..but he could have something like 77 or FD ., you def have to bet this turn , 4.5-5ish

[VLV]

Villain has $6.7 left, shouldn't I just push then? Or do I still only bet about $4.5.