Did I have any choice?

[lgas]

Converter didn't work for me, so...

Party $1,250 freeroll....
NL Texas Hold'em Trny:14220151 Level:4 Blinds (25/50) - Seat 4 is the button
Total number of players : 10
Seat 1: LP1 ( $1280 )
Seat 2: LP2 ( $2025 )
Seat 4: Button ( $1110 )
Seat 5: SB ( $2445 )
Seat 6: BB ( $2525 )
Seat 7: Hero ( $1835 )
Seat 3: EP1 ( $645 )
Seat 8: EP2 ( $735 )
Seat 9: EP3 ( $1725 )
Seat 10: Villian ( $1870 )

Blinds (25/50)
** Dealing down cards **
Dealt to Hero [ 4h 4d ]
Hero calls [50].
EP2 folds. EP3 folds.
Villian calls [50].
LP1 calls [50].
LP2 folds. EP1 folds.
Button calls [50].
SB calls [25].
BB checks.
** Dealing Flop ** [ As, 2s, Td ]
SB checks.
BB checks.
Hero checks.
Villian bets [50].
LP1 calls [50].
Button folds.
SB calls [50].
BB folds.
Hero calls [50].
** Dealing Turn ** [ 4c ]
SB checks.
Hero bets [200].
Villian raises [600].
LP1 folds.
SB folds.

Whats my move? I think I only had one, but I'd like to hear other opinions. I'll post the results later.

Also, comments welcome on other streets, but I think they are pretty standard -- obviously I had limped in EP with a small pair hoping to flop a set. I didn't flop the set, but the pot I'm getting 15-1 to call the bet on the flop with no one to act behind me, so great odds to see what the turn brings. On the turn I can't put anyone on 3x5x for the nuts, I'm pretty sure I have the best hand, and I don't want people sticking around for the flush draw. I figure if I lead out, I'll isolate against hopefully an A-x with a high kicker or if I'm lucky someone that made two pair with their Ace.