No!
In England we call it 'cocking' their leg.
Take it to the vet
Sure.
Generally speaking: no. However, a broken leg requires veterinary care as soon as possible.
jackhammer it in the face
Take it to the vet.
to the VET'S OFFICE!
Call your veterinarian
Take it to the vet pet the dog alot and give it care.
Some crutches help a person with a broken leg walk.
It depends on the severity of the break.