Nope, Cuch is not RINO/GOPe
Cuch had his funding pulled by the establishment GOP when he ran for governor. Add to that, he's conservative.
This was not a good look for him:
“Over the past few years, Cuccinelli has praised Trump on cable television but during the 2016 election he led an effort to strip Trump of delegates at the Republican National Convention on behalf of Sen. Ted Cruz (R-Texas)”