tyme, the police response is a potential issue in any defensive firearm use. Should I quit CCW, then?
Meanwhile, somebody has to get to the child. If not, a still potentially living child will bleed out. Shooting dogs doesn't help if nobody assists the child.
It all comes down to how we each define acceptable personal risk. I don't expect most people to see that issue as I do, but I know others who think and act as I would.