NL2 FR straight on flop against big fish

Hand converted with online PokerStrategy.com hand converter:

Hand afspelen

$0.01/$0.02 No-Limit Hold'em (9 handed)

Known players:
[tg]MP2$6.49:///////;MP3$2.04:///////;CO$0.77:///////;BU$7.47:///////;SB$2.18:///////;BB (Hero)$3.67:///////;UTG1$2.30:///////;UTG2$3.30:///////;MP1$1.98:///////;[/tg]

Preflop: Hero is BB with 4:h, A:c.
2 folds, BU calls $0.02, 5 folds, Hero checks.

Flop: ($0.05) 2:d, 5:h, 3:s (2 players)
Hero bets $0.03, BU calls $0.03.

Turn: ($0.11) A:h (2 players)
Hero bets $0.11, BU raises to $0.22, Hero raises to $0.77, BU calls $0.55.

River: ($1.65) 6:s (2 players)
Hero raises to $2.85, BU calls $2.85.

Final Pot: $7.35.
Results follow:

Hero shows a straight, six high(4:h A:c).
BU shows a pair of sixes(T:c 6:d).

Hero wins with a straight, six high(4:h A:c).

PLayer is a big maniac fish. And I hitted straight.

I had a straight and decided to play aggressive against the big fish. Is this good played?