KK hypothetical

Known players:
[tg]Position_Stack:hands/vp$ip/RaisePreflop/AF/WTS/ORL/BBvsSteal/W$SD;Hero$3.56:///////;MP2$0.97:24/17/8/-/0/0/100/-;CO$5:125/38/20/1.2/33/88/100/31;[/tg]
0.01/0.02 No-Limit Hold'em (9 handed)
Hand recorder used for this poker hand: PokerStrategy.com Elephant 0.106 by www.pokerstrategy.com.

Preflop: Hero is BB with K♥, K♣
3 folds, MP2 raises to $0.08, MP3 folds, CO calls $0.08, 2 folds, Hero raises to $0.32, MP2 calls $0.24, CO calls $0.24.

Flop: ($0.97) K♠, Q♠, 8♥ (3 players)
Hero bets $0.69, MP2 folds, CO calls $0.69.

Turn: ($2.35) J♠ (2 players)
Hero bets $1.68, CO folds, Hero gets uncalled bet back (All-In).

Final Pot: $2.35

I'm just curious what i should do if he:

a) calls

b) re raises