Zij geeft haar hond elke ochtend een kleine kus uit liefde.

Zij and Ze are both 3rd-person singular feminine subject pronouns.

• Zij is the strong (stressed) form, often used for emphasis or clarity—especially at the start of a sentence.
• Ze is the weak (unstressed) form you hear more in casual conversation.
  So Zij geeft haar hond… feels a bit more formal or emphatic, while Ze geeft haar hond… is perfectly normal in everyday speech.

In haar hond, haar is a possessive pronoun meaning her (showing ownership of the dog).

• It is not the object-pronoun “her” as in “I see her” (which would stand without a following noun).
• Here, haar hond is the indirect object (the recipient of the kiss). The direct object is een kleine kus.

Dutch typically orders elements in the mid-field as: Verb – Indirect object – Time – Direct object – Manner/Place.

1. geeft (verb)
2. haar hond (indirect object)
3. elke ochtend (time)
4. een kleine kus (direct object)
5. uit liefde (manner/reason)
   You could front elke ochtend for emphasis (“Elke ochtend geeft zij…”), but in the “neutral” mid-field it naturally sits between IO and DO.

In Dutch, adjectives preceding a noun take -e when the noun is a de-word (common gender) and is either definite or preceded by an indefinite article.

• kus is a de-word.
• With een → adjective must get -e → kleine.
  Hence: een kleine kus (“a small kiss”).

Yes. Adding aan makes the indirect object explicit:

• Zij geeft een kleine kus aan haar hond. (“She gives a small kiss to her dog.”)
  Without aan, Dutch allows you to place the recipient directly after the verb (geeft haar hond). Both forms are correct; the version without aan is a bit more concise.

Uit liefde literally means “out of love” and expresses the motive or cause (“because of love”).

• The preposition uit is required in this idiom.
• You cannot replace it with van in this context—uit liefde is the fixed expression for “out of love.”