Brown onion in shortening, add pheasant and seasonings, brown 10 minutes. Add water and tomatoes, cover and let simmer slowly until tender. Remove pheasant, add sour cream to the drippings in pan and mix well. For dumplings, combine flour, eggs and salt. Add water. Beat well until the dough is gummy. Drop by teaspoon into voiling water. Boil 2 minutes. Drain. Rinse with hot water. Add dumplings to gravy and arrange pheasant on top. Heat through and serve.