Anyone adavise on how badly I played this hand?

Party Poker
No Limit Holdem Ring game
Blinds: $/$
7 players


Pre-flop: (7 players) Hero is MP1 with
UTG folds, UTG+1 calls, Hero raises to $0, CO calls, 2 folds, BB calls, UTG+1 folds.

Flop: ($0, 3 players)
BB checks, Hero bets $0, CO calls, BB calls.

Turn: ($0, 3 players)
BB checks, Hero checks, CO checks.

River: ($0, 3 players)
BB checks, Hero bets $0, CO folds, BB raises all-in $0.25.
Uncalled bets: $0.25 returned to BB.

Results:
Final pot: $0.25

As you can't edit posts at the moment: here is the hand:

Party Poker
No Limit Holdem Ring game
Blinds: $0.05/$0.10
7 players


Pre-flop: (7 players) Hero is MP1 with
UTG folds, UTG+1 calls, Hero raises to $0.5, CO calls, 2 folds, BB calls, UTG+1 folds.

Flop: ($1.65, 3 players)
BB checks, Hero bets $1, CO calls, BB calls.

Turn: ($4.65, 3 players)
BB checks, Hero checks, CO checks.

River: ($4.65, 3 players)
BB checks, Hero bets $3, CO folds, BB calls all-in $2.25.
Uncalled bets: $0.75 returned to Hero.

Results:
Final pot: $9.15

I agree. Pot flop, and bet turn. If you didn't bet turn, check river.