MIAMI — Former President Donald Trump has privately floated Florida state Sen. Joe Gruters as a potential replacement for Republican National Committee Chairwoman Ronna McDaniel should she decide to step down later this month, according to a person familiar with the matter. Gruters, a former Sarasota County and Florida GOP chairman, previously ran for RNC treasurer with Trump’s support in 2023, but ultimately lost that race to Kentucky Republican National Committeewoman K.C. Crosbie. Still, Gruters has remained a loyal ally to Trump, who recently expressed support for change within the RNC and…