WHATS THE NAME OF THIS MOVIE?

its anime like Pony. its not that popular it was played on cartoonnetwork like in 2006. its about a girl that goes to a outside supermarket with her parents it was in a hall desin in a canyon there was alot of hills around with tall grass it was very windy her parents whent missing and she goes on a adventure to find her parents i breifly remember butchermen wereing pig heads on there head. theres this bad caracter with a dragon face with white,blue,red color on the face and crazy eyes it looks like the villin inssamari jack the series. it doesent have wings but can fly it has a black long thick tail the girl befriends it at the end of the adventure she flys away with it when tring to escape out of a castle like building by walking on the side ofit its a very disturbling like story idk if she ever finds her parents she has shorthairtall kinda wide on the jaw but it a looks real the colors are matt not all vibrant like regular anime plz help