I'm not sure the amount of filling will match the amount of dough, but if you have extra of either, both can be frozen until next time.
Feel free to substitute water for the chicken broth.
You can mix the dough by hand too.
We have determined the nutritional value of oil for frying based on a retention value of 10% after cooking. Amount will vary depending on cooking time and temperature, ingredient density, and specific type of oil used.