Kit out your companion, best gear they can get, put your points in resto, then heal them whilst they tank and spank.
Granted, you may spend around 10 minutes on a dragon fight on master since Bethesda apparently doesn't consider Resotration a viable solo route for the game.
They give us companions, but awful heals, literally, if your companion moves a few inches, your cast hits the enemy and pumps them back to full health. Not only that, you can't see your companions health bar all the time, half the time it doesn't show up and a boss on Master has your companion crouching on the floor before you can cast a damn heal ?_?.
So there's you go, do as I do. Find a new way to spend perks/play and see if any official patches are released to combat the silly buggy bits of skyrim ^.^

