Float/Turn OESFD, Line?

[czGLoRy]

So, villain had limped / I had raised to isolate him 3 hands in a row. I had actually thought he might check/raise me before the flop even, so I decided to float (min raise). I turn an open-ended straight flush draw, what should I do here?

Full Tilt Poker - No Limit Hold'em Cash Game - $2/$4 Blinds - 6 Players - (LegoPoker HH Converter)

SB: $396.00
BB: $418.30
UTG: $1,041.20
Hero (MP): $699.40
CO: $861.30
BTN: $316.00

Preflop: Hero is dealt T[img]/images/graemlins/spade.gif[/img] 8[img]/images/graemlins/spade.gif[/img] (6 Players)
UTG calls $4.00, <font color="red">Hero raises to $18.00</font>, 4 folds, UTG calls $14.00

Flop: ($42) 3[img]/images/graemlins/diamond.gif[/img] 9[img]/images/graemlins/spade.gif[/img] 9[img]/images/graemlins/diamond.gif[/img] (2 Players)
UTG checks, <font color="red">Hero bets $31.00</font>, <font color="red">UTG raises to $62.00</font>, Hero calls $31.00

Turn: ($166) J[img]/images/graemlins/spade.gif[/img] (2 Players)
<font color="red">UTG bets $180.00</font>, Hero: ?