Full Tilt Pot-Limit Omaha, 5.5 Tournament, 100/200 Blinds (8 handed) - Full-Tilt Converter Tool from FlopTurnRiver.com

Dont know if it helps but UTG+1 is 72/2 and button is 50/10.

Apart from what is the most standard play what is that min raise all about?

MP2 (t1390)
CO (t1050)
Button (t6930)
Hero (SB) (t6660)
BB (t14716)
UTG (t2860)
UTG+1 (t13178)
MP1 (t6780)

Hero's M: 22.20

Preflop: Hero is SB with 10, 8, A, 10
1 fold, UTG+1 calls t200, 3 folds, Button calls t200, Hero calls t100, BB checks

Flop: (t800) 9, K, 2 (4 players)
Hero checks, BB checks, UTG+1 checks, Button checks

Turn: (t800) K (4 players)
Hero checks, BB checks, UTG+1 bets t200, Button raises to t400, Hero?