Walker had been scheduled to headline a pair of fundraisers Monday in Kansas City and St. Louis for gubernatorial candidate Dave Spence.
Kinder claims the cash rolled in, despite backlash from exotic dancer scandal.
Facebook page aimed at former U.S. Senator.
Peter Kinder donor reportedly wants $125,000 back, but law allows Kinder to keep the money.
Kinder wrote the check from his personal funds — a change of plans from when he announced his campaign would pay the state $35,050.
Missouri Democratic Gov. Jay Nixon raised about twice as much for his re-election bid as Republican Lt. Gov. Peter Kinder.