Vet Question?? I found a doggy and need help?

I found a poodle at my door step a few months ago....one of her back legs seems to b dislocated or broken...we are a family of 6 on one income and struggling...we haven't had the money that is necesssry to have her checked by a vet....she seemed fine after we took her in and have been caring for her....but since we take her out during the day a few hrs...she got pregnant by the neighbors dog...what can we do..where can we take her to have her leg checked..we have had her for a few moths and fell in love with our "Lady"....we wanna keep 1 puppy and find good homes for the others....please help guide us in the right direction...thank u