Hay mate. Complete witch's plot until you get the chalice. Then go to the Tower (Weirdwood, Goblin Forest, Fridaheim, Mountainpass, Tower of Dread, Tower) & complete all Erevi's quests until
then finish her next 3 quests & return to the witch (Ziva).
When Restore the Temple is done go to the stables in town & ask Bet on a date. Go back to Erevi & complete her next quest, Build
. Once she teaches you the Summoning Spell, take Beth on a date, the find a way to switch places with Mia's dire pup using the spell.
After that you should be able to freely use that spell in the GoblinDaughter quest.