What is the most logical next event?

How to treat an injured rabbit's paw
Identify sore hocks.
Pododermatitis, also called sore hocks, is a common ailment among rabbits. This painful condition can be easily prevented with proper exercise and comfortable housing.
Once the condition has set in, though, you'll need to take quick action to treat the injury. Leaving it untreated will lead to infections and further pain.