In a blender or small food processor, blend DORITOS^® Nacho Cheese tortilla chips until finely ground. Add breadcrumbs; pulse to combine. Transfer to a shallow bowl.

Toss chicken tenders with flour. Dip in egg, then dredge in bread crumb mixture until well coated.

Heat oil in a large nonstick skillet set over medium heat; in batches, cook chicken strips for 3 to 4 minutes per side or until golden brown and cooked through.

Meanwhile, whisk together sour cream, chives, mustard, garlic, salt, pepper, and onion powder.

Serve chicken strips with sour cream and onion dip.