NL 25 when do I dump JJ

[Cody1982]

I am consitantly losing big pots with JJ please look at the below hand and chim in on what the proper move is or how I can minimize my loses. I have also posted another hand where I lost a huge pot with JJ Please take a look at that one also.

Poker Stars, $0.10/$0.25 NL Hold'em Cash Game, 7 Players
LeggoPoker Hand History Converter

BB: $26.55
UTG: $36.20
UTG+1: $23.15
Cody1982 (MP): $13.20
CO: $20.90
BTN: $31.20
SB: $13.65

Pre-Flop: J J dealt to Cody1982 (MP)
2 folds, Cody1982 raises to $1, CO raises to $1.75, 3 folds, Cody1982 calls $0.75

Flop: ($3.85) 5 8 3 (2 Players)
Cody1982 checks, CO bets $2.50, Cody1982 calls $2.50

Turn: ($8.85) 5 8 3 [ 9 ] (2 Players)
Cody1982 bets $3.50, CO raises to $9.25, Cody1982 calls $5.45 and is All-In

River: ($26.75) 5 8 3 9 [ T ] (2 Players - 1 is All-In)


Results: $26.75 Pot ($1.30 Rake)
Cody1982 showed J J (a pair of Jacks) and LOST (-$13.20 NET)
CO showed A A (a pair of Aces) and WON $25.45 (+$12.25 NET)