If it were mine I wouldn’t touch it, just let the cereals die on their own and help feed and protect your clover from the summer heat and sun that is coming.
I totally agree and I am using the same equipment as you. I quit buying mixes years ago and started buying the seeds and making my own, bigger seeds in the big seed box and all the small seeds together in the legume box, no problems at all.
That does sound speedy. This is the first place that popped up when I googled red Milo. https://elkmoundseed.com/products/grain-sorghum-seed-a-k-a-red-milo