Need to rehome Lab Boxer Mix (Countryside Vista NW Tucson)

Need to rehome Labrador mix ASAP (no pit bull in her mix) n.
1 year old spayed female.
Lotsof energy.
Loves to play and loves toys.
Have vaccination and spay records.
Housebroken.
Also uses crate and doggie door.
This beautiful puppy needs more love than we can dole out at this time due to a medical issue with one of our other dogs.
She is about 60 pounds.
Being she is young she needs exercise.
She loves to play fetch and lay on the couch She would love to be an only pet or with a larger dog.
Gets along with our cat.
Small rehoming fee (up for discussion with the right family).