Preflop: Hero is SB with K♠, Q♠
MP2 calls $0.02, MP3 raises to $2.42 (All-In), 2 folds, Hero raises to $0.75 (All-In), 2 folds.
Flop: ($3.21) K♣, Q♦, 9♣
Turn: ($3.21) 5♥
River: ($3.21) 5♦ (2 players)
Final Pot: $3.21
Results follow (highlight to see):
MP3 shows a pair of fives (Ah Th)
Hero shows two-pair, kings and queens (Ks Qs)
Hero wins with two-pair, kings and queens (Ks Qs)
It seems that you really need to re-read the articles which PS offers about SSS/MSS/BSS.