Preheat oven to 375°.
In greased 9x13” pan, place chicken pieces and sprinkle with salt.
Combine barbecue sauce, water and onion in a small bowl; pour over chicken.
Bake uncovered for 30 minutes.
Turn chicken pieces over and spoon sauce over top.
Bake 10-15 minutes longer or until tender.
If necessary, add 2-3 tbsp. more water to prevent sticking.
Move chicken to one side of pan.
Spoon sauce over top of chicken.
Combine Parmesan cheese and seasoning; set aside.
Dip biscuits in remaining sauce in pan and turn over sauce-side-up.
Place in opposite end of pan from chicken.
Sprinkle cheese/seasoning mixture over biscuits.
Return to oven and continue baking 15-20 minutes or until biscuits are brown.