NL50 Check auf Flop - guter Bluff Spot?

[mic23]

sPeEdBrEaKr 22/5/98
janne949 24/3/187

$0.25/$0.5 No Limit Holdem
5 players
Converted at weaktight.com

Stacks:
UTG DUIN ($159.32)
CO sPeEdBrEaKr ($47.90)
BTN superbhoy ($17.05)
SB Hero ($71.55)
BB janne949 ($10.92)

Pre-flop: ($0.75, 5 players) Hero is SB :5s :5c
1 fold, sPeEdBrEaKr calls $0.50, 1 fold, Hero calls $0.25, janne949 checks

Flop: :9h :4s :ts ($1.50, 3 players)
Hero checks, janne949 checks, sPeEdBrEaKr checks

Turn: :qh ($1.50, 3 players)
Hero bets $1, janne949 calls $1, sPeEdBrEaKr folds

River: :qs ($3.50, 2 players)
Hero bets $3

Ist Turn Bet Spew? Ist River ein guter Spot?