I have just started to play six-handed NL cash game and for the first time in a long run I am really ending up with a negative total.

I will post several hands on the forum to try to get some qualified feed back and will start with these three AKs hands that I might have played badly. Please analyse and suggest what to improve. Hand 1 in particular. I should probably have raised preflop there since I was out of position, but please analyse the rest of the play as well.

HAND 1:
No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players

Stack sizes:
UTG: $178.08
UTG+1: $64.70
CO: $43
Button: $27.70
Hero: $107.78
BB: $13.90

Pre-flop: (6 players) Hero is SB with
UTG raises to $2, 3 folds, Hero calls $1.75 (pot was $2.75), BB folds.

Flop: ($4.5, 2 players)
Hero checks, UTG bets $2, Hero raises to $6, UTG raises to $17, Hero calls $9 (pot was $25.5).

Turn: ($38.5, 2 players)
Hero checks, UTG bets $18, Hero calls $18 (pot was $56.5).

River: ($74.5, 2 players)
Hero checks, UTG bets $30, Hero (pot is $104.5).

(Read on UTG: TAA strong player.)

HAND 2:

No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players

Stack sizes:
Hero: $39.50
UTG+1: $22.14
CO: $163.97
Button: $62.23
SB: $40.40
BB: $55.98

Pre-flop: (6 players) Hero is UTG with
Hero raises to $2, 2 folds, Button raises to $4, SB folds, BB calls $3.5 (pot was $6.75), Hero calls $2 (pot was $10.25).

Flop: ($12.25, 3 players)
BB checks, Hero bets $10, Button raises to $20, BB raises all-in $51.98, Hero (pot is $109.73).

HAND 3:

No Limit Holdem Ring game
Blinds: $0.25/$0.50
6 players

Stack sizes:
UTG: $50.83
UTG+1: $55.07
CO: $11.91
Button: $41.69
SB: $12.25
Hero: $57.80

Pre-flop: (6 players) Hero is BB with :Ad:
UTG raises to $1.5, 4 folds, Hero calls $1 (pot was $2.25).

Flop: ($3.25, 2 players)
Hero checks, UTG bets $1, Hero raises to $3, UTG calls $2 (pot was $7.25).

Turn: ($9.25, 2 players)
Hero checks, UTG bets $2, Hero raises to $6, UTG raises to $15, Hero calls $7 (pot was $28.25).

River: ($39.25, 2 players)
Hero