Lisa. do you think your daughter see's this lady? That is why she has these bad dreams?
My son when much younger had a not so friendly visitor come to his room every night, he would not sleep and cry all night, saying Pat would wake him by tapping him on the head. (Pat was the name given to this spirit)
My husband not one for ghosts and super natural thought he was just being naughty, until one night hubby also saw what my son had been seeing all this time. Going up to the figure thinking it was our boy, putting his hand on it's shoulder only to go right through, hubby was in total shock by the time he came back to bed. I have never seen him in such a state before, he was shaking and none of us could not go back to sleep.
If you get the house blessed (like us) you will find things will settle down. Make sure it is done by someone who know's what they are doing, as we tried to do it ours selves and all that did was cause our son to have a very angry ghost saying he did not like us interfering.
We also have caught orbs on film, all at the same time we had this spirit in our house, always hovering around our boy.
Suzy W