If Kya from where the Crawdads sing were diagnosed with a mental illness or personality disorder what would it be and why?

Short backstory : ky was physically abused and mentally emotionally by her father a drunk.

Her mum abandoned her.

her siblings all left her with her abusive father

he abandoned her at 10

het only friend went off to college never spoker to her after he promised he was also her first love

a boy she like after him turned out to be engaged and when she broke things off he sexually assaulted her and ultimately killed him. Getting away with his murder.