Taking Sadie to the vet

I think Sadie has a UTI, she has been up half the night wanting to go outside. When I let her out she paces the yard squatting all over the place but just peeing a dribble each time. One time I didn't let her out in time and she went on the kitchen floor and it looks like she has some blood in her urine as well. I hate to have to take her in for an after hours call on a Holiday, I'm sure they are going to charge me an arm and a leg but I can't let it go on like this until tomorrow morning for her sake and mine. I was able to get a small amount of urine to take in for a sample. A friend of mine had a dog that often got UTI's and her vet told her to follow her with a ladle and put it under her when she was going to collect a sample. So at one point she settled downed for a short nap and as soon as he woke up I took her out on the leash and once she started to squat I put the ladle under her and got a small amount to bring in for a sample. We are going to a vet I haven’t been to before, we have 3 vets in town but she was the only one taking after hour calls today. I have wanted to switch vets due to the whole mess with Maxwell and his neutering gone bad so I guess this will give me a chance to see what I think of this one.