Here's a variety of hands. I could use some feedback. Thanks.

Hand 1: Villian is 24/26 over 250 hands

PokerStars No-Limit Hold'em, $0.10 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

MP ($14.60)
Hero (Button) ($10.10)
SB ($10.65)
BB ($10.45)
UTG ($21.65)

Preflop: Hero is Button with K, K
2 folds, Hero raises to $0.20, 1 fold, BB calls $0.10

Flop: ($0.45) 2, 9, K (2 players)
BB bets $0.30, Hero raises to $0.70, BB calls $0.40

Turn: ($1.85) 5 (2 players)
BB bets $1.35, Hero calls $1.35

River: ($4.55) Q (2 players)
BB bets $3.20, Hero ????

How would you play it? Is a call +EV here, or should I just fold?

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Hand 2: Villian is 31/1.9 over 60 hands

PokerStars No-Limit Hold'em, $0.10 BB (6 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

Button ($3.25)
SB ($2.20)
BB ($9.80)
UTG ($4.90)
MP ($5.90)
Hero (CO) ($10.10)

Preflop: Hero is CO with K, A
1 fold, MP calls $0.10, Hero raises to $0.30, Button calls $0.30, 2 folds, MP calls $0.20

Flop: ($1.05) 6, 5, 3 (3 players)
MP checks, Hero bets $0.30, Button raises to $1.30, 1 fold, Hero calls $1

Turn: ($3.65) 6 (2 players)
Hero checks, Button bets $1.65 (All-In), Hero ???

How would you play it? Is a call +EV here, or should I just fold?

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Hand 3: Villian is 28.6/14.3 over 14 hands

My check on the turn was for pot control, since I only had 1 pair.

PokerStars No-Limit Hold'em, $0.10 BB (5 handed) - Poker-Stars Converter Tool from FlopTurnRiver.com

BB ($10.60)
UTG ($7.65)
MP ($9.55)
Button ($14.05)
Hero (SB) ($11.55)

Preflop: Hero is SB with A, Q
2 folds, Button calls $0.10, Hero raises to $0.30, BB calls $0.20, 1 fold

Flop: ($0.70) Q, 7, 10 (2 players)
Hero bets $0.40, BB calls $0.40

Turn: ($1.50) 3 (2 players)
Hero checks, BB checks

River: ($1.50) J (2 players)
Hero bets $0.80, BB raises to $2, Hero ????

How would you play it? Is a call +EV here, or should I just fold?