Low-sodium Sweet and Sour Chicken Stir-fry Recipe

My mom has been making this for our family for years. It is one of my favorite dishes. However, due to the pineapple, this is not really low in potassium.

INGREDIENTS
Gravy:
Pineapple juice from can of pineapple
2 T Corn Starch
3 T of apple vinegar
1 t ginger
1/4 cup brown sugar
1/2 t hot sauce

Stir fry:
1 boneless chicken breast cut up in 1" pieces
1 T minced garlic
pepper to taste
1 med onion, chopped
2 stalks celery, chopped
1 bag of stir fry vegetables
1 can of pineapple chunks

DIRECTIONS
Combine gravy ingrediants in a 2 cup measuring cup and set aside.
Put olive oil in pan on high heat, add chicken breast and sprinkle with pepper stir until about 1/2 cooked.
Add the onion, and celery, stir until they are 1/2 cooked.
Add the frozen stir fry vegetables and stir until almost done
Add pineapple chunks and gravy mixture and stir until it thickens.
Remove from heat and serve on cooked rice

NUTRITION
I haven't figured it out yet.