He’ll be back… not a serious contender of course, but he’ll try - there will STILL be rubes dumb enough to donate to his campaign. he’s keeping the lights on by way of pilfering donations… why give it up? There’s a grift that can keep on keeping on.
However, with sentencing and more trials, more convictions, there would be some felony & election rules that that could get in the way. He’ll probably put Don Jr. out front as a proxy and be the king-maker in the shadows.