Maybe I'm just stupid and tired cuz its 7am but is this usually a standard bet or check? If I had nothing I would definitely bluff when the ace comes, as played I'm not really sure if a bet here is for value or to push possible hands that can draw out on me out.

PokerStars Game #7423114353: Hold'em No Limit ($0.50/$1.00) - 2006/12/13 - 06:53:36 (ET)
Table 'Alkmene' 6-max Seat #1 is the button
Seat 1: andr3w321 ($103.10 in chips)
Seat 2: Ldonnie ($227.90 in chips)
Seat 3: EtOi ($130.20 in chips)
Seat 4: lllFSlll ($101.25 in chips)
Seat 5: Holl Ice1 ($72.85 in chips)
Seat 6: ultraclub ($100 in chips)
Ldonnie: posts small blind $0.50
EtOi: posts big blind $1
ultraclub: posts big blind $1
*** HOLE CARDS ***
Dealt to andr3w321 [ :Td:]
lllFSlll: folds
Holl Ice1: folds
ultraclub: checks
andr3w321: raises $4 to $5
Ldonnie: folds
EtOi: folds
ultraclub: calls $4
*** FLOP *** [:Th: ]
ultraclub: checks
andr3w321: bets $8
ultraclub: calls $8
*** TURN *** [Th 7h 8c] [:Ac:]
ultraclub: checks
andr3w321...