NL 4 AJ bu

Player has 34/18 AF:1,0
Should I always bet the turn? I called the river bet because I checked the turn and flush didn't hit.

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.02/$0.04 No-Limit Hold'em (6 handed)

Known players:
[tg]BB$4.00:///////;MP2$4.00:///////;MP3$3.81:///////;CO$8.36:///////;BU (Hero)$7.35:///////;SB$1.85:///////;[/tg]

Preflop: Hero is BU with A:d, J:s.
2 folds, CO raises to $0.08, Hero calls $0.08, SB folds, BB calls $0.04.

Flop: ($0.26) J:d, 4:h, 8:h (3 players)
BB checks, CO bets $0.12, Hero raises to $0.45, BB folds, CO calls $0.33.

Turn: ($1.16) K:c (2 players)
CO checks, Hero checks.

River: ($1.16) 7:c (2 players)
CO bets $1.11, Hero calls $1.11.

Final Pot: $3.38.