Just as said in the title, but I chattertoned some bits here and there to change some values with the milk to make it replenish food AND Water.
It's gonna be ugly but bear with me if you don't want your babies to dry out :

Go in there : Steam\steamapps\workshop\content\294100\2024595829\Defs

Open : Mizu_ThingsDefs_Items.xml

and dump this above the green text saying <!-- 氷 Ice --> and be sure to leave one space between the ThingDef above this and the <!-- 氷 Ice -->
(PS you can delete the "He needs some milk" he's just here to find those lines)

<!-- He needs some milk -->
<ThingDef ParentName="OrganicProductBase">
<defName>Milk</defName>
<label>milk</label>
<description>Milk from an animal.</description>
<graphicData>
<texPath>Things/Item/Resource/Milk</texPath>
</graphicData>
<socialPropernessMatters>true</socialPropernessMatters>
<statBases>
<MarketValue>3.1</MarketValue>
<Mass>0.045</Mass>
<MaxHitPoints>60</MaxHitPoints>
<Flammability>0.2</Flammability>
<Nutrition>0.05</Nutrition>
<waterAmount>0.05</waterAmount>
<FoodPoisonChanceFixedHuman>0.02</FoodPoisonChanceFixedHuman>
</statBases>
<comps>
<li Class="CompProperties_Rottable">
<daysToRotStart>14</daysToRotStart>
<rotDestroys>true</rotDestroys>
</li>
</comps>
<ingestible>
<preferability>RawTasty</preferability>
<foodType>AnimalProduct, Fluid</foodType>
</ingestible>
<thingCategories>
<li>AnimalProductRaw</li>
</thingCategories>
</ThingDef>