Right door no longer closes all the way by itself

If you're loading up the door with a large amount heavy items such as gallons of milk, water, juices, etc. - the door may be sagging on its hinges.

Typically, there are several screws that hold the top and bottom hinges to the fridge frame. While supporting the weight of the open door with blocks or books, check to see of the screws have loosened up or if the hinge has slipped on the fridge cabinet. It may be helpful to partially / fully unload groceries / liquids from the door.

You may be able to detect that something has happened if there is space between the top hinge and door. This suggests that the door has slipped slightly and may be rubbing on something. Look for scrapes, scratches and filings in the area of the bottom hinge. These are a tip off that something has changed. Try lifting the door up. Is there "play" between the hinges that allows the door to slide up and down? A little bit is normal, but too much indicates a sagging or bent (not common) hinge. You may have to lift and support the door to take up the "play"; then loosen the bottom hinge's screws and slide the hinge up until it is snug against the bottom of the door. Tighten the screws firmly to hold the hinge in place. This should lift the door back to where it was (or close to it) and prevent any rubbing or scraping that may have been happening before.

Lastly, make sure that the doors seals haven't shifted or become damaged in such a way as to interfere with the door closing completely. Good luck!