Preheat oven to 400 degrees.
Spray a baking sheet with no stick cooking spray.
Cut chicken into 1/2 inch strips.
Combine mayo, milk in a large bowl.
Place tortilla chips and taco seasoning in zip lock baggie, crush chips into medium size crumbs.
Pour chip mix into a medium size bowl.
Coat chicken strips in mayo mixture, then in the crushed tortilla chips.
Place on baking sheet, be sure to not overlap.
Bake until just browned and chicken is cooked through about 10-12 minutes.
Serve with sour cream and salsa.