Grown, expect around 26–60 lb.

Typical Australian Cattle Dog, Pit Bull Terrier guidance: Short · 90 min/day, Vigorous activity.

From the breed profile

The listing marks Bruce as good with kids, dogs. Anything not on that list is unknown, not a no.

From CLAWA Animal Rescue's listing

The listing doesn't say whether you can meet before deciding. The listed location is Denver, CO.