This is personal preference and different from other advice you might get, but if you are able to shovel (and depending on the size of your driveway), I would keep a shovel handy and shovel every 2” or so just to make it less labor-intensive. It’s easier to push around an inch or two than to do 4-6” all at once. If it starts as sleet, I would try to shovel that off as soon as it changes to snow so it doesn’t ice over and make your life more difficult. If it starts as snow, I would shovel off the first inch or so and wait for it to finish to do the rest. Finish off with salt at the end to keep any deleterious material from freezing over. Just salting is good for an inch or so. Good luck!