When her reclusive father dies without a will, his washed-up rodeo queen daughter must gather her estranged siblings in order to settle his estate.

It's still not clear what specifically they need to do. What is their goal and what will their main action be?

"...they have one shot of avoiding foreclosure," - what does this mean in practical terms?

Also, "...changing their dubious reputations..." is vague and seems redundant to the plot - you can simply cut it.

Maybe this one drills down a bit more:

I like it. What about this:

When a former rodeo queen and her ex-con?brother inherit their father's struggling farm, they have one?chance to make it a success, ?and one to?turn around their failed lives.