NL10: A sinked BOAT?

[ettorek]

Ok Guys, this is an hand played today that I'm not sure - about: I have no reads of my opponents.
As you can see I flopped a good hand that later become a real boat.
- How do you play this hand and why?
- How should you play this hand in NL50 and NL100 ?
Thanks! [img]/images/graemlins/wink.gif[/img]

Full Tilt Poker
No Limit Holdem Ring game
Blinds: $0.05/$0.10
5 players
Converter

Pre-flop: (5 players) Hero is BB with 4[img]/images/graemlins/club.gif[/img] 3[img]/images/graemlins/diamond.gif[/img]
UTG calls, CO folds, Button calls, SB calls, Hero checks.

Flop: 3[img]/images/graemlins/spade.gif[/img] 4[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/heart.gif[/img] ($0.4, 4 players)
>>> Ok standard pot raise bet.
SB checks, <font color="#cc0000">Hero bets $0.4</font>, UTG calls, Button folds, SB calls.

Turn: 3[img]/images/graemlins/club.gif[/img] ($1.6, 3 players)
&gt;&gt;&gt; 3Bet is an option, I prefer to just call because hope other people may play their drawing.
<font color="#cc0000">SB bets $1.6</font>, Hero calls, UTG calls.

River: 5[img]/images/graemlins/diamond.gif[/img] ($6.4, 3 players)
&gt;&gt;&gt; At this point I'm not sure to be ahead...
<font color="#cc0000">SB is all-in $8.2</font>, , Hero ???