Yummy Creamy Rice Pudding

In a medium saucepan, bring 1 1/2 cups water to a boil.
Add rice and stir.
Reduce heat,cover and simmer for 20 minutes.
In another saucepan, combine the cooked rice, with 1 1/2 cups milk, sugar and salt.
Cook over medium heat until thick and creamy, 15 to 20 minutes.
Stir in remaining 1/2 cup milk, beaten egg and raisins.
Cook 2 minutes more, stirring constantly.
Remove from heat, and stir in butter and vanilla.
Serve warm.