Layered Mexican Dip
["1 lb. ground beef", "1 (16 oz.) can refried beans", "1 (16 oz.) can chili without beans", "1 envelope taco seasoning mix", "3 Tbsp. picante sauce", "3 medium ripe avocados", "2 Tbsp. lemon juice", "1/2 tsp. garlic salt", "1/8 tsp. pepper", "2 c. sour cream", "3 c. shredded iceberg lettuce", "2 medium tomatoes, chopped", "3/4 c. shredded Cheddar cheese", "3/4 c. shredded Monterey Jack cheese", "corn chips"]
["Grease shallow serving platter (13 1/2 x 8 3/4 x 1 3/4-inch) glass baking dish."]
["ground beef", "beans", "beans", "taco", "picante sauce", "avocados", "lemon juice", "garlic salt", "pepper", "sour cream", "shredded iceberg lettuce", "tomatoes", "Cheddar cheese", "shredded Monterey Jack cheese", "corn chips"]