Full Tilt No-Limit Hold'em, $0.25 BB (5 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

Hero (SB) ($48.22)
BB ($4.31)
UTG ($26.14)
MP ($29.81)
Button ($43.06)

Preflop: Hero is SB with K, K
1 fold, MP bets $0.75, 1 fold, Hero raises to $2.25, 1 fold, MP calls $1.50

Flop: ($4.75) J, 8, 9 (2 players)
Hero bets $2.75, MP calls $2.75

Turn: ($10.25) 9 (2 players)
Hero bets $6, MP calls $6

River: ($22.25) 10 (2 players)
Hero checks, MP bets $10, Hero folds

Total pot: $22.25 | Rake: $1.11

is bet sizing ok? and is c/f better than c/c