Place cubed chicken into a gallon size bag and pour in pickle juice. Shake and place back in refrigerator for 30-45 minutes.
Mix egg and milk until completely combined.
Mix powdered sugar, flour and spices in a separate bowl.
Drain chicken and place in flour.
Place in egg milk mixture and then back into flour mixture.
Place the battered bites in air fryer basket and spray with cooking oil.
Cook on 370 for 8-10 minutes, stirring and respraying halfway through.
Let chicken cool for 5 minutes before eating.