Here are some AK hands i played in very difficult situations this week, please help me analyze whats wrong with my play? Also, i need you guys to figure out WTF my opponents had on the river?

Hand 1: villain is 9.2/8.3/ 5.2( flop AF total) around 320 hands . i figured he really had something good on the flop, so i took passive line.

PokerStars No-Limit Hold'em, $1.00 BB (9 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

BB ($98)
UTG ($242.90)
UTG+1 ($25.30)
MP1 ($100.10)
MP2 ($100)
MP3 ($95.50)
CO ($98.50)
Button ($100.85)
Hero ($101.95)

Preflop: Hero is SB with A, K.
2 folds, MP1 raises to $4, 4 folds, Hero raises to $12, 1 fold, MP1 calls $8.

Flop: ($25) 3, T, 2 (2 players)
Hero checks, MP1 checks.

Turn: ($25) A (2 players)
Hero checks, MP1 checks.

River: ($25) 5 (2 players)
Hero bets $12, MP1 raises to $36, Hero ? WTF he had?

hand 2: villain is 8.6/4.3/0 around 163 hands. Should i call and commit myself to the pot?

PokerStars No-Limit Hold'em, $1.00 BB (7 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

SB ($99)
BB ($102.50)
UTG ($108.40)
MP1 ($148)
MP2 ($65.75)
Hero ($97.50)
Button ($59.85)

Preflop: Hero is CO with , .
3 folds, Hero raises to $3, Button calls $3, 2 folds.

Flop: ($7.50) , , (2 players)
Hero bets $5, Button calls $5.

Turn: ($17.50) (2 players)
Hero bets $14, Button raises to $51.85, Hero ? WTF he had?


hand 3: villain is a loose donk 37.5/12.5/3.0 around 25 hands. My AK had showdown value here a whole lot ?

PokerStars No-Limit Hold'em, $1.00 BB (9 handed) Poker-Stars Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

MP1 ($389.80)
MP2 ($90)
MP3 ($28.85)
CO ($98)
Button ($99.50)
SB ($68.80)
Hero ($95)
UTG ($92.40)
UTG+1 ($116.15)

Preflop: Hero is BB with , .
2 folds, MP1 calls $1, MP2 raises to $5, 1 fold, CO calls $5, 1 fold, SB calls $4.50, Hero raises to $17, MP1 folds, MP2 folds, CO folds, SB calls $12.

Flop: ($45) , , (2 players)
SB bets $3, Hero calls $3.

Turn: ($51) (2 players)
SB bets $3, Hero calls $3.

River: ($57) (2 players)
SB bets $3, Hero ?? WTF he had?