Villain is tight and solid. This hand just seemed odd to me. Thoughts?

PokerStars No-Limit Hold'em, $1.00 BB (9 handed) FTR converter on zerodivide.cx

UTG+1 ($183.55)
MP1 ($68.70)
Hero ($353.90)
MP3 ($21.70)
CO ($40)
Button ($48)
SB ($130.05)
BB ($108.65)
UTG ($63.80)

Preflop: Hero is MP2 with K, K.
UTG calls $1, 2 folds, Hero raises to $4.5, 3 folds, SB raises to $30, 1 fold, UTG folds, Hero calls $25.50.

Flop: ($62) 8, 7, 9 (2 players)
SB bets $100.05 (All-In), Hero calls $100.05.

Turn: ($262.10) T (2 players, 1 all-in)

River: ($262.10) 5 (2 players, 1 all-in)

Final Pot: $262.10