CHICKEN PECAN QUICHE

1 c. flour
1 1/2 c. sharp cheddar cheese, shredded
3/4 c. chopped pecans
1/2 tsp. salt
1/4 tsp. coarse pepper
1/3 c. vegetable. oil
3 eggs, beaten
8 oz. sour cream
1/4 c. mayonnaise
1/2 c. chicken broth
2 c. chicken, cooked and cooled
1/2 c. sharp cheddar cheese, shredded
1/4 c. onion, minced
1/4 tsp. dillweed
1/4 c. pecans, chopped