[Closed] NL25 56s(mp3), fr

Hand converted with online PokerStrategy.com hand converter:

Play hand

$0.1/$0.25 No-Limit Hold'em (9 handed)

Known players:
[tg]MP2$27.70:///////;MP3 (Hero)$25.00:///////;CO$25.25:///////;BU$32.85:///////;SB$14.57:///////;BB$43.78:///////;UTG1$25.00:///////;UTG2$57.20:///////;MP1$25.00:///////;[/tg]

Preflop: Hero is MP3 with 5:d, 6:d.
4 folds, Hero raises to $1.00, CO calls $1.00, BU folds, SB calls $0.90, BB folds.

Flop: ($3.25) 5:s, 9:d, 7:d (3 players)
SB checks, Hero bets $2.00, CO raises to $6.00, SB folds, Hero calls $4.00.

Turn: ($15.25) 8:c (2 players)
Hero bets $9.00, CO raises to $18.00, Hero calls $9.00(All-In).

River: ($51.25) J:h (2 players)

Final Pot: $51.25.

Results follow:

CO shows a straight, jack high(Jd Td).
Hero shows a straight, nine high(5d 6d).

CO wins with a straight, jack high(Jd Td).

Hi!

Villain is a rock.
Is this the right way to play this hand and can this be considered a cooler?