Known players:
[tg]Position_Stack:hands/vp$ip/RaisePreflop/AF/WTS/ORL/BBvsSteal/W$SD;MP3$30,90:37/22/16/1,5/40/27/100/100;CO$29,70:218/21/17/11,5/32/38/73/33;Hero$28,51:///////;[/tg]
0,1/0,25 No-Limit Hold'em (5 handed)
Hand recorder used for this poker hand: PokerStrategy Elephant 0.67 by www.pokerstrategy.com.
Preflop: Hero is BU with J♦, J♣
MP3 raises to $0,75, CO calls $0,75, Hero raises to $3,00, 2 folds, MP3 calls $2,25, CO calls $2,25.
Flop: ($9,35) 5♣, A♠, 8♣ (3 players)
MP3 checks, CO checks, Hero checks.
Turn: ($9,35) 8♦ (3 players)
MP3 checks, CO bets $6,00, Hero calls $6,00, MP3 folds.
River: ($21,35) Q♦ (2 players)
CO checks, Hero checks.
Final Pot: $21,35
Results follow (highlight to see):
Hero shows two pairs, jacks and eights (Jd Jc)
CO shows two pairs, aces and eights (5d Ad)
CO wins with two pairs, aces and eights (5d Ad)
I wonder whether my turn call was justified and/or if there's a better postflop line to take?
P.S.: I apologize for posting so many hands, but I'm trying learn BSS beside SSS and I have many questions, mainly about postflop, cause I'm not used to it.
And thanks to everyone for your replies/comments. 
