What was canine Darla's (1975–1992) best known acting role?

Darla is best known for her role as Precious in the 1991 thriller The Silence of the Lambs. She was towards the end of her life when she starred in the award-winning film. She was known as a very smart dog and affectionate towards all the other actors. One thing that was important was to protect your socks as she would happily steal them if left unattended!

Darla began her career in the 1985 film Pee-wee's Big Adventure as Pink Poodle, and appeared in 1989's The 'Burbs starring Tom Hanks. Her most notable role was as Precious in 1991's The Silence of the Lambs. Darla became a cult icon due to the film's success and was the subject of a Facebook fan page titled "Precious".[3] Her final role was in 1992's Batman Returns, as Ratty Poodle.

https://en.wikipedia.org/wiki/Darla_(dog)