OK you are all doing it wrong. First of all, a tablespoon of vodka? Not nearly enough. I start out with a large glass of vodka, preferably ice cold.
So drink the vodka (helps if you know a couple Russian drinking songs) and while you are doing so gather this stuff.
2 cups flour (8.5 oz) (I'm not that picky, I normally have both whole wheat and bread flour around, I tend to use half and half)
5/8 cup salted butter, should be refrigerator soft
1/2 tsp salt
1/2 cup whole milk
2 large eggs
1 egg yolk for glaze
So I start off by creaming the flour, butter and salt together. Which for me means dumping them in a bowl, and taking two butter knives and slashing them side to side like a serial killer (This is also an excellent time for Russian drinking songs). When it looks kind of pearly, beat the eggs and add with the milk. Form into a dough ball. Chill that in the fridge for a half hour, or how long it takes to drink another glass of vodka.
At this point it should roll out nicely into a round with a little coaxing on a floured baking mat. If it for some reason it doesn't, pour a third glass of vodka, make a cobbler, and pretend that was what you were up to in the first place.
sourdough isn't a recipe, it is a process.