Therapy for my two year old?

So I just left my fiancé about two days ago. Him and I had a very toxic relationship and he was very emotionally abusive. My daughter is two and has witnessed him yelling at me a lot as well as calling me names. She says “daddy mad” all the time as of late. I’m in therapy myself and my therapist suggested “play therapy” for my daughter since she has been through some trauma.

I didn’t know they could do therapy so young. I’m curious if any parents have experience with this? Was it beneficial to your young child? Will the trauma of our relationship go away for her? Any advice is so appreciated. I feel like I have totally failed her and have possibly ruined my baby...