Are you forgetting you're playing Omaha? 60/40 obv
http://twodimes.net/h/?z=3021513
pokenum -o 6d 7d 8c 9c - ad 3s kh 5h -- 4d 5d kc
Omaha Hi: 820 enumerated boards containing Kc 5d 4d
cards win %win lose %lose tie %tie EV
9c 8c 7d 6d 499 60.85 321 39.15 0 0.00 0.609
3s Ad Kh 5h 321 39.15 499 60.85 0 0.00 0.391