I was tilting a bit when this hand game around but just how bad was my push on the turn? I know if I'm SB, I'm folding.
PokerStars No-Limit Hold'em, $0.25 BB (9 handed)
UTG+1 ($5.05)
MP1 ($10)
MP2 ($18.35)
MP3 ($43)
CO ($23.15)
Button ($3.45)
SB ($5)
Hero ($14.20)
UTG ($11.30)
Preflop: Hero is BB with

,

.
2 folds, MP1 calls $0.25,
1 fold, MP3 calls $0.25, CO calls $0.25,
1 fold, SB completes, Hero checks.
Flop: ($1.25)

,

,
(5 players)
SB checks,
Hero bets $1, MP1 calls $1, MP3 folds, CO folds, SB calls $1.
Turn: ($4.25)
(3 players)
SB checks,
Hero bets $12.95 (All-In), MP1 folds, SB calls $3.75 (All-In).
River: ($20.95)
(2 players, 2 all-in)
Final Pot: $20.95
Results in white below:
SB has 5c 4c (straight, seven high).
Hero has 8d Kd (high card, king).
Outcome: SB wins $11.75. Hero wins $9.20.