Villain is 42/7/2

Did I miss value here? At the time of the hand I felt a turn bet would've gotten me shoved on and I don't think I can reraise the river for value

PokerStars No-Limit Hold'em, $0.50 BB (8 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

saw flop

UTG+1 ($51.40)
MP1 ($55.50)
MP2 ($43.30)
CO ($104.30)
Button ($16.65)
SB ($25.55)
Hero (BB) ($52.75)
UTG ($46.25)

Preflop: Hero is BB with K, K
1 fold, UTG+1 calls $0.50, 4 folds, SB calls $0.25, Hero bets $2.75, 1 fold, SB calls $2.25

Flop: ($6) 7, 6, 6 (2 players)
SB checks, Hero bets $4, SB calls $4

Turn: ($14) 7 (2 players)
SB checks, Hero checks

River: ($14) 3 (2 players)
SB bets $7.50, Hero calls $7.50

Total pot: $29 | Rake: $1.40