$16 Turbo early made wheel on flop

[Cpaz]

Just checking if I should lead out here first to act or check? If lead is correct is amount correct?

Thanks,

PokerStars Tournament, Big Blind is t30 (8 handed) Converter on pregopoker.com

UTG (t1460)
UTG+1 (t600)
MP1 (t1430)
MP2 (t1470)
CO (t2455)
Button (t1195)
SB (t3130)
Hero (t1760)

Preflop: Hero is in BB with 3[img]/images/graemlins/diamond.gif[/img] 4[img]/images/graemlins/spade.gif[/img]
<font color="gray">UTG folds</font>, <font color="gray">UTG+1 folds</font>, MP1 calls t30, <font color="gray">MP2 folds</font>, CO calls t30, <font color="gray">Button folds</font>, SB calls t15, Hero checks

Flop: (t120) A[img]/images/graemlins/heart.gif[/img] 5[img]/images/graemlins/spade.gif[/img] 2[img]/images/graemlins/spade.gif[/img] (4 players)
SB checks, <font color="red">Hero bets t60</font>