Advise on a possible legal matter involving hydro and dogs

[spit.fire]

So I got the bill and found out exactly everything that is wrong with bear.

Broken tail, possibly needs to be amputated
Liver damage from loss of blood
Lung damage from the impact
Torn tendon in her rear leg
Muscle damage to her rear leg
(Her bone in her leg was exposed but not broken)

Total cost= just over 2000$
And she has to go back to the vet every 2 days

Monday ill be contacting a lawyer