How badly did I play this?

[Stickmn24]

PokerStars No-Limit Hold'em Tourney, Big Blind is t50 (9 handed) converter

MP1 (t1440)
MP2 (t1205)
MP3 (t3140)
CO (t830)
Button (t1920)
SB (t1393)
Hero (t1737)
UTG (t1545)
UTG+1 (t290)

Preflop: Hero is BB with 4[img]/images/graemlins/heart.gif[/img], 8[img]/images/graemlins/heart.gif[/img].
UTG calls t50, <font color="#666666">5 folds</font>, Button calls t50, SB completes, Hero checks.

Flop: (t200) 8[img]/images/graemlins/spade.gif[/img], 4[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(4 players)</font>
SB checks, Hero checks, UTG checks, <font color="#CC3333">Button bets t100</font>, SB folds, <font color="#CC3333">Hero raises to t400</font>, UTG folds, Button calls t300.

Turn: (t1000) A[img]/images/graemlins/diamond.gif[/img] <font color="#0000FF">(2 players)</font>
Hero checks, <font color="#CC3333">Button bets t500</font>, Hero folds.

Final Pot: t1500

Other guy plays pretty straightforward. Should I have bet on the flop?

-He showed the ace, so at least I made the right decision. [img]/images/graemlins/frown.gif[/img]