The US commercial spacecraft are being acceletated, and Dragon 2/"DragonRider" could be flying SpaceX crews next year.
Somehow doubtful, their space shuttle replacements won't be fully operational yet and weren't they just banned from using Russia's space facilities...
SpaceX and the others have their own Astronaut Corps, most all former NASA astronauts, and NASA's Astronaut Office has been helping design their control layouts etc. They are already training in CC spacecraft simulators.
As to docking them, they'd dock at the US end using some of the nodes the Dragon, Cygnus and cargo ships use now. All that those nodes need are docking adapters, and they're due to go up on a future Dragon CRS flight.
Nothing the Russians can do but grumble, and the US end generates most of their electrical power