How many play it this way?

PokerStars No-Limit Hold'em, $0.10 BB (9 handed) Hand History Converter Tool from FlopTurnRiver.com (Format: FlopTurnRiver)

saw flop|saw showdown

Button ($3.70)
SB ($15.30)
BB ($17.15)
UTG ($3.60)
UTG+1 ($12.40)
Hero ($9.60)
MP2 ($22.10)
MP3 ($31.75)
CO ($4.10)

Preflop: Hero is MP1 with K, K.
1 fold, UTG+1 raises to $0.9, Hero raises to $3, 6 folds, UTG+1 calls $2.10.

Flop: ($6.15) 5, A, 7 (2 players)
UTG+1 checks, Hero checks.

Turn: ($6.15) 8 (2 players)
UTG+1 bets $1, Hero calls $1.

River: ($8.15) 9 (2 players)
UTG+1 bets $1, Hero calls $1.

Final Pot: $10.15

Results below:
UTG+1 has Js Jd (one pair, jacks).
Hero has Kd Kh (one pair, kings).
Outcome: Hero wins $10.15.