still got some halos, amongst other issues:
rock is distracting b/c it is in focus but your subject is not, yet the dog seems to have more focus than the people, even though they are all on the same plane.
A fill card in the front to bounce a little light on them would probably work better for this than trying to bump them up in post. But for now, just work on the blending. It’s a very tedious task that takes a while to get used to. Do you have a wacom tablet or the like?
Also, for future reference, probably not best to sit her down. It makes her look bigger. I mean, you could sit her down but you just have to work on the posing. Sometimes it’s as simple as just straightening the folds in the clothing.