Crosshatch cut the hot dogs on one side.
Grill the hot dogs until nicely browned—grilling time will vary based on type of grill.
Make the slaw: Toss cabbage, carrot, and radish in a bowl. Add olive oil, 1 tbsp of mayo, fresh dill, and season with salt and pepper.
Make the pickle drizzle: Mix mayo, Dijon mustard, apple cider vinegar, garlic powder, and chopped dill pickles. (See note below)
Assemble: Place slaw on the plate, add the grilled hot dogs, and top with a drizzle of the pickle sauce.
Add crunch: Sprinkle with chili oil and pepitas.