It's too early to predict where Ewers will go, if he does leave early, other than "in the first couple of rounds". On one hand, he's shown that he can make all the throws, including with touch, by layering over defenders, and with different quick release points. On the other, he struggles to read defenses when his first read isn't there, he runs out of clean pockets prematurely, he's oddly inaccurate down the field, and for some reason he weighs like 195 pounds right now and keeps getting injured
When he returns, if he plays like shit like he did at times last year post-injury, he could be a third rounder. If he strings together strong performances and checks out medically at the combine while putting on 20 pounds of good weight, a team might roll the dice on him high in the first as QB3. At this point, the best guess is probably second half of the first round to first half of the second round, but it could go a lot of different ways. It doesn't help that there are a lot of QBs in this class who could also go in the same range *(McCarthy, Daniels, Beck, Nix, Penix, Rattler, and to a lesser extent Leonard and Van Dyke) and push him down a bit, and there will be six teams that won't be drafting a QB after four of them drafted QBs high last year and after two take Maye and Williams ahead of Ewers.