Preheat air fryer to 400°F.
Drain pickles and pat dry with paper towels.
Mix egg and milk together in a bowl. Mix flour, cornmeal, seasoned salt, paprika, garlic powder, and black pepper together in another bowl.
Dip pickle chips in egg mixture, then in flour mixture, coating both sides and lightly pressing flour mixture onto chips.
Spray the air fryer basket with cooking spray. Place pickle chips in the basket in a single layer, split into 2 batches if necessary.
Cook for 4 minutes. Flip and continue cooking for 4 minutes more.