The card was targeted for the end of March, but the new date is April 3.
Kingdom is the new promotion from Super Brawl and Icon Sport founder T Jay Thompson. Strikeforce's ProElite Inc. currently owns Icon Sport.
Miller (21-6) and Hose (7-2) are both former Icon Sport middleweight champions.Miller won the belt in September 2006 over Robbie Lawler and lost the belt the next fight to Frank Trigg in December. Hose won the belt in March 2008 against Phil Baroni in a vacant title bout.