Raw spots can be treated with bag balm or beeswax cream or even vaseline, fat creams like that protect the skin from moisture. If you suspect some type of bacterial infection, you can use a thin layer of plain neosporin cream on the spot (not the neosporin that has an added pain-killer).
Oxbow pellets as LBJ mentions are quality pellets made to fit the needs of pet bunnies – i e bunnies that are kept as companions and most often are de-sexed (show-bunnies are never de-sexed, of course) and living indoors.
Hay is the most important food though and 85% of the daily food intake should be hay. To a human it sounds a bit meagre and dry, but bunny- tummies are like horses’ tummies: made to process large amounts of low-caloric, low-fat, high-fiber grass.
If she’s difficult to keep her clean, you can cut the fur on her hind legs/butt a bit (but be very careful so you don’t nick the skin), just never cut the hair on the feet, buns don’t have padded feet so they need all their feet-hair for protection.