Preheat oven to 350 degrees. Combine first 5 ingredients in a bowl; stir well. Add oil and stir well again. Firmly press mixture on bottom and up sides of a 9-inch deep-dish pie plate. Bake for 12 minutes. Cool completely. Reheat oven to 350 degrees. Combine sour cream, broth, mayonnaise and eggs; stir with a wire whisk until smooth. Stir in chicken and next 4 ingredients. Pour chicken mixture over prepared crust. Arrange pecan halves over chicken mixture. Bake for 55 minutes or until set. Let stand 10 minutes before serving.