Preheat oven to 425°.
Combine first 4 ingredients in a small bowl. Place flour in a large heavy-duty, zip-top plastic bag; add 1 1/2 teaspoons paprika mixture. Toss until thoroughly combined. Place cracker crumbs in a shallow dish; add remaining paprika mixture. Stir until well blended. Pour buttermilk into a small bowl.
Add chicken, 2 pieces at a time, to flour mixture; seal bag, and shake to coat chicken. Remove chicken from bag; dip in buttermilk. Dredge chicken in crumb mixture. Place on a baking sheet coated with cooking spray. Repeat procedure with remaining chicken and flour mixture.
Lightly coat chicken with cooking spray. Bake at 425° for 23 to 25 minutes or until chicken is done.