i play real bad, help.

[piriformis]

2/4 NL party poker. effective stacks 400. 6 handed.

HERO is SB
UTG folds
UTG+1 calls $4
Cut Off folds
Button calls $4
HERO completes with Ah 10h $2

FLOP ( Ac 4h 7s ) pot $16
Checked around to button who bets $12
HERO calls everyone else folds.

TURN ( Ac 4h 7s 2h ) pot $40
HERO leads $25
Button raises $75 to $100
HERO?

I think i have best one pair hand as he didnt raise preflop, am i still winning? or should i call for my draw, or push it in now?
I played this one real bad the whole way through.