good fold or too nitty? is the river an easy call here?

Villiain is 45/17/3.60 over 100+ hands.

This is always a straight here, right? and never a missed flush draw/Thigh.... feel like i should've made a crying call on river now.

Boss Media (IPN) No-Limit Hold'em, $0.04 BB (5 handed) - BossMedia Converter Tool from FlopTurnRiver.com

SB ($4.81)
Hero (MP) ($6.24)
Button ($0.92)
BB ($1.81)
UTG ($7.30)

Preflop: Hero is MP with 6, 6
1 fold, Hero calls $0.04, 1 fold, SB calls $0.04, BB checks

Flop: ($0.12) 8, 7, 6 (3 players)
SB checks, BB checks, Hero bets $0.09, SB calls $0.09, 1 fold

Turn: ($0.30) 5 (2 players)
SB checks, Hero checks

River: ($0.30) 2 (2 players)
SB bets $0.30, Hero folds

Total pot: $0.30 | Rake: $0.03