Child with odd

I’m very stressed out my daughter has odd and she is just the worst child ever when it comes to behavior and following instructions I’m loosing my patience I have her in therapy I have iep services in school I’m on top of her but I’m to the point I’m drained is it bad I just want to throw the towel in … I’m in therapy myself and I honestly feel like my daughter is not good for my mental I’ve never met a child so spiteful so defiant like I’m so frustrated rn I’m in my room crying idk what else to do I feel like I can’t control her I don’t like to not have control over situations she is the biggest stress I have in my life 🥴 she doesn’t listen she is constantly misbehaving not listening in school I’m feeling just defeated I don’t want to deal with this any more the past 5 years have been hell for me for her please I need some advice :(