Line vs. calling station

Calling station. Second Queen is disturbing but I figure I'll keep going unless I meet a raise. Look good?
***** Hand History for Game 4378810859 *****
0/0 Texas Hold'em Game Table (NL) - Sat May 27 23:26:34 EDT 2006
Table Table 107442 (Real Money) -- Seat 4 is the button
Total number of players : 6
Seat 1: jandje ( $443.56)
Seat 2: erock444 ( $81.96)
Seat 3: otredojady2 ( $281.70)
Seat 4: hsnic ( $154.20)
Seat 5: Fishfinder77 ( $61)
Seat 6: ChadTobin ( $203.60)
Fishfinder77 posts small blind (1)
ChadTobin posts big blind (2)
** Dealing down cards **
Dealt to jandje [ Jh, Ad ]
jandje raises (8) to 8
erock444 calls (8)
otredojady2 calls (8)
hsnic folds.
Fishfinder77 folds.
ChadTobin folds.
** Dealing Flop ** : [ Ac, 4d, Qc ]
jandje bets (20)
erock444 folds.
otredojady2 calls (20)
** Dealing Turn ** : [ Qs ]
jandje bets (30)
otredojady2 calls (30)
** Dealing River ** : [ 3d ]
jandje bets (30)
otredojady2 calls (30)

Bet a little more on the river? Otherwise nh.

Seems ok, he probably isn't good enough to realize that you're making a blocking bet and you're not very strong. I take similar lines against weak players to keep the pot small and ensure worse hands call.