Baked Hash Brown Casserole

slices OSCAR MAYER Bacon , cut into 1/2-inch pieces

onion , chopped

red pepper , chopped

pkg. (30 oz.) ORE-IDA Shredded Hash Brown Potatoes , thawed

(10-3/4 oz.) reduced-fat reduced-sodium condensed cream of mushroom soup

BREAKSTONE'S Reduced Fat or KNUDSEN Light Sour Cream

KRAFT 2% Milk Shredded Colby & Monterey Jack Cheeses , divided