I have no idea if her dancing is good enough for Team K.
Personal opinion again but she's too good for Team K
Her dancing is amazing, she blew me away when she was covering for Shinoda, easily outdid most of Team A in their own (admittedly difficult) songs.
I wouldn't say she acts cute though. The voice is definitely cute but in MCs and whatnot she always strikes me as very straightforward, honest, mature and level-headed. Also ridiculously kind and sweet, which would be interesting in Team A MCs (they spend most of their time trying to one-up each other