The rocket landed vertically and then continued with the normal post landing operations in horizontal mode. Venting the pressurized vessels for example.
The have towed it into port and got it on land again
. There is even the possibility that it might be used on a "SpaceX internal" mission at some point again
Pictures of the recovery process
. The damage to the interstage (black part at the top) is quite significant. Otherwise, it appears to be in good shape, considering the circumstances.
In other news, dragon is now connected to the space station for the second time