Lost on the turn

MP3 21/18 - Russian - but sample only 40 hands
SB 22/9 (good couple hundred hands)
BB 24/20 but only 20 hands or so

Is this even a b/f? or the most stnd b/f ever

Poker Stars No-Limit Hold'em, $0.10 BB (9 handed) - Poker Stars Converter Tool from FlopTurnRiver.com

BB ($10)
UTG ($10.10)
UTG+1 ($9.66)
Hero (MP1) ($10.06)
MP2 ($2.81)
MP3 ($10)
CO ($7.35)
Button ($10.16)
SB ($15.81)

Preflop: Hero is MP1 with A:diamond:, A:club:
2 folds, Hero bets $0.40, 1 fold, MP3 calls $0.40, 2 folds, SB calls $0.35, BB calls $0.30

Flop: ($1.60) 10:diamond:, 9:spade:, 9:diamond: (4 players)
SB checks, BB checks, Hero bets $1.12, MP3 calls $1.12, SB calls $1.12, 1 fold

Turn: ($4.96) 8:club: (3 players)
SB checks, Hero ???