He certainly isn't a Trump fan, and didn't he cut a deal with Stacy Abrams in the 2020 election?
I live in a red county in New York State, so even if I vote for the Republican candidate, the Democrat usually wins anyway because downstate always elects our Governors and U.S. Senators, and gives the State Presidential electors to the Democrat, or they win by stealing the election by going to court, and challenging the rejected absentee ballots cast in their favor, or trying to eliminate absentee ballots like those cast by military members overseas.
Brian Kemp has a major law suite against Trump that is coming up soon. Dems are the most hopeful with that law suit then any other against Trump.