This is one of basic dough for many recipes like Pies,Quiche,Tarts and many more..So I am giving you a step by step detailed recipe for this..The main thing you should know is use half the amount of butter for flour..and also try to use ice cold water for making the dough..I hope you all get a clear understanding of this...So please try this and let me know what you think about this..
In a mixing bowl add flour,salt,sugar and mix well.
Add in chopped cold butter and rub with your fingers till it forms coarse crumbs.
Add a splash of water and form a dough.
Cover it with plastic wrap and chilli it in the fridge for 30 min.
Now you can use this for any recipe as you like..