Villain has been pretty tight passive from what I remember(no HUD or tracker on either of these hands). How's my line?

PokerStars No-Limit Hold'em, $0.25 BB (7 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

MP2 ($20.40)
CO ($24.30)
Hero ($38.95)
SB ($48.95)
BB ($15)
UTG ($27.35)
MP1 ($8.20)

Preflop: Hero is Button with , .
2 folds, MP2 calls $0.25, 1 fold, Hero raises to $1.25, 1 fold, BB calls $1, MP2 calls $1.

Flop: ($3.85) , , (3 players)
BB checks, MP2 checks, Hero bets $2, BB calls $2, MP2 folds.

Turn: ($7.85) (2 players)
BB checks, Hero bets $4, BB calls $4.

River: ($15.85) (2 players)
BB checks, Hero bets $7, BB calls $7.

Final Pot: $29.85

Villian is an unknown...

PokerStars No-Limit Hold'em, $0.25 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver Cards)

MP2 ($5)
MP3 ($25)
CO ($3.15)
Button ($25.80)
SB ($28.45)
BB ($22.50)
UTG ($39.95)
UTG+1 ($57.20)
Hero ($22.55)

Preflop: Hero is MP1 with , .
2 folds, Hero raises to $1, 1 fold, MP3 calls $1, 1 fold, Button calls $1, 2 folds.

Flop: ($3.35) , , (3 players)
Hero bets $2, MP3 calls $2, Button folds.

Turn: ($7.35) (2 players)
Hero bets $4, MP3 calls $4.

River: ($15.35) (2 players)
Hero checks, MP3 bets $5, Hero calls $5.

Final Pot: $25.35

Anything I could do differently in either of these situations?