On the turn I'm pretty worried, but I remember Sklanksy saying in large pots you need to take more risks as folding the best hand becomes a huge mistake so I decide to call and push the river. What was my opp doing here??

PokerStars No-Limit Hold'em, $0.10 BB (8 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

MP1 ($4.05)
MP2 ($11.70)
CO ($9.85)
Button ($9.15)
SB ($4.95)
Hero ($8.60)
UTG ($9.90)
UTG+1 ($21.55)

Preflop: Hero is BB with Q, Q.
UTG calls $0.10, 1 fold, MP1 calls $0.10, 3 folds, SB completes, Hero raises to $0.6, UTG calls $0.50, MP1 folds, SB calls $0.50.

Flop: ($1.90) 5, 4, 5 (3 players)
SB bets $0.3, Hero raises to $1.5, UTG calls $1.50, SB folds.

Turn: ($5.20) 4 (2 players)
Hero checks, UTG bets $3.8, Hero calls $3.80.

River: ($12.80) K (2 players)
Hero bets $2.7 (All-In), UTG folds.

Final Pot: $15.50