I posted from the CO so this is literally my first hand at the table.
After the raise and the re-raise, should I have just folded here?
PokerStars No-Limit Hold'em, $1.00 BB (9 handed)
SB ($91.50)
BB ($99.50)
UTG ($125)
UTG+1 ($139.20)
MP1 ($135.45)
MP2 ($59)
MP3 ($106)
Hero ($100)
Button ($139.60)
Preflop: Hero is CO with

,

. Hero posts a blind of $1.
4 folds, MP3 calls $1, Hero (poster) checks,
1 fold, SB completes, BB checks.
Flop: ($4)

,

,
(4 players)
SB checks,
BB bets $4,
MP3 raises to $10,
Hero raises to $30, SB folds, BB folds,
MP3 raises to $105, Hero calls $69 (All-In).
Turn: ($212)
(2 players, 1 all-in)
River: ($212)
(2 players, 1 all-in)
Final Pot: $212
Results in white below:
MP3 has Kc Jc (two pair, kings and jacks).
Hero has 8h 2s (two pair, eights and twos).
Outcome: MP3 wins $212.