Layer in the following order in a 9 X 13 dish: 

3/4 head of lettuce 
1 can water chestnuts, drained & chopped 
4 cup cooked chicken, cut into bite sized pieces 

Mix together then use as one layer: 
1/2 cup green onions, chopped 
1/4 cup celery, chopped 
 1 green pepper, chopped 
1-16 ounce can small peas, well drained 
Mix together and spread as one layer: 
 1 pint lite Miracle Whip 
1/2 cup sugar 
Top with:
 10 ounce grated colby cheese 
 1/2 jar Baco Bacon