Combine chicken, celery, onions, almonds, cooked rice, lemon juice, salt and pepper. Mix well and set aside. Combine mayonnaise and water. Beat with a whisk until smooth; pour over chicken mix and stir well.
Add two eggs and toss gently. Spoon into greased 2-quart casserole dish (shallow dish); cover and refrigerate for 8 hours.
Bake at 450 degrees for 10 to 15 minutes and sprinkle with crushed potato chips and cheese. Bake 5 more minutes.