25nl How thick is our SDV?

Hand History driven straight to this forum with DriveHUD 2 Poker Tracking Software

NL Holdem 0.25(BB)
HERO (115.5BBs)
BTN (98.6BBs) [VPIP: 0% | PFR: 0% | AGG: 0% | Hands: 1]
SB (85.1BBs) [VPIP: 100% | PFR: 100% | AGG: 66.7% | Hands: 1]
BB (104.1BBs) [VPIP: 0% | PFR: 0% | AGG: 0% | Hands: 1]
UTG (139.2BBs) [VPIP: 0% | PFR: 0% | AGG: 0% | Hands: 1]
HJ (106.8BBs) [VPIP: 0% | PFR: 0% | AGG: 0% | Hands: 1]

Dealt to Hero: K♥ A♣

UTG Folds, HJ Folds, HERO Raises To 2.5BBs, BTN Folds, SB Raises To 7BBs, BB Folds, HERO Calls 4.5BBs

Hero SPR on Flop: [5.24 effective]
Flop (14.9BBs): T♥ 4♣ 7♦
SB Bets 7.1BBs (Rem. Stack: 71BBs), HERO Calls 7.1BBs (Rem. Stack: 101.4BBs)

Turn (29.2BBs): T♥ 4♣ 7♦ 7♣
SB Bets 13.9BBs (Rem. Stack: 57.1BBs), HERO Calls 13.9BBs (Rem. Stack: 87.6BBs)

River (56.9BBs): T♥ 4♣ 7♦ 7♣ 8♥
SB Checks, HERO ??

The only thing I know about this gentleman is he looks fishy.